List of Sites of Special Scientific Interest in Norfolk

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This article is about SSSIs in Norfolk. For other counties, see List of SSSIs by Area of Search.

Breydon Water
Sunset on Breydon Water

In England, Sites of Special Scientific Interest (SSSIs) are designated by Natural England, which is responsible for protecting England's natural environment. Designation as an SSSI gives legal protection to the most important wildlife and geological sites.[1] As of May 2020 there are 163 SSSIs in Norfolk,[2] out of which 123 are biological, 25 are geological and 15 are both biological and geological.

Sixty-one sites are Special Areas of Conservation, forty-four are Special Protection Areas, thirty-two are Ramsar sites, forty are Geological Conservation Review sites, thirty-five are Nature Conservation Review sites, eighteen are national nature reserves, ten are local nature reserves, twenty-eight are in Areas of Outstanding Natural Beauty, one is on the Register of Historic Parks and Gardens and three contain scheduled monuments. Twenty-two sites are managed by the Norfolk Wildlife Trust, one by the Suffolk Wildlife Trust, three by the National Trust, one by the Royal Society for the Protection of Birds and one by the Wildfowl & Wetlands Trust.

Norfolk is a county in East Anglia. It has an area of 2,074 square miles (5,370 square kilometres)[3] and a population as of mid-2017 of 898,400.[4] The top level of local government is Norfolk County Council with seven second tier councils: Breckland District Council, Broadland District Council, Great Yarmouth Borough Council, King's Lynn and West Norfolk Borough Council, North Norfolk District Council, Norwich City Council and South Norfolk District Council.[5] The county is bounded by Cambridgeshire, Suffolk, Lincolnshire and the North Sea.[3]

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Sites[edit]

Site name Photograph B G Area[a] Public access Location[a] Other classifications Map[b] Citation[c] Description
Alderfen Broad Alderfen Broad Green tickY 21.3 hectares
(53 acres)[6] 		YES Norwich
52°43′12″N 1°29′02″E / 52.72°N 1.484°E / 52.72; 1.484 (Alderfen Broad)
TG 354 195[6] 		NWT,[7] Ramsar,[8] SAC,[9] SPA[10] Map Citation This area of fenland peat has open water, carr woodland and reed swamp. Breeding birds include the great crested grebe, water rail, grasshopper warbler and reed warbler.[11]
Alderford Common Alderford Common Green tickY 17.5 hectares
(43 acres)[12] 		YES Norwich
52°43′12″N 1°08′56″E / 52.720°N 1.149°E / 52.720; 1.149 (Alderford Common)
TG 128 183[12] 		Map Citation The common has a thin layer of glacial sands and gravels over chalk. Habitats include bracken heath, scrub, woodland and ponds, together with species rich grassland in former chalk quarries. An old lime kiln is used by bats and a wide variety of birds breed on the site.[13]
Ant Broads and Marshes Ant Broads and Marshes Green tickY 745.3 hectares
(1,842 acres)[14] 		PP Great Yarmouth
52°44′20″N 1°30′07″E / 52.739°N 1.502°E / 52.739; 1.502 (Ant Broads and Marshes)
TG 365 215[14] 		NCR,[15] NNR,[16][17] NWT,[18] Ramsar,[8] SAC,[9] SPA[10] Map Citation This site in the valley of the River Ant is described by Natural England as the "finest example of unpolluted valley fen in Western Europe". It has a network of dykes which support a diverse variety of aquatic plants, and its fenland invertebrate fauna is of national importance.[19]
Aslacton Parish Land Aslacton Parish Land Green tickY 4.4 hectares
(11 acres)[20] 		NO Norwich
52°28′52″N 1°10′26″E / 52.481°N 1.174°E / 52.481; 1.174 (Aslacton Parish Land)
TM 156 917[20] 		Map Citation This site has wet and dry unimproved meadows with a rich flora. Uncommon species include marsh arrowgrass, yellow rattle, fragrant orchid, common butterwort and adder's tongue. Common snipe often breed there.[21]
Badley Moor Badley Moor Green tickY 18.3 hectares
(45 acres)[22] 		YES Dereham
52°39′58″N 0°58′26″E / 52.666°N 0.974°E / 52.666; 0.974 (Badley Moor)
TG 012 117[22] 		SAC[23] Map Citation This area of spring-fed fen and grassland in the valley of the River Tud has tufa hummocks formed by the deposit of calcium carbonate. It has an exceptionally rich fen community with a carpet of moss on wet slopes with many unusual plants. There are overgrown dykes with flora including narrow-leaved water-parsnip and water dropwort.[24]
Barnham Cross Common Barnhamcross Common Green tickY 69.1 hectares
(171 acres)[25] 		YES Thetford
52°23′53″N 0°44′24″E / 52.398°N 0.740°E / 52.398; 0.740 (Barnhamcross Common)
TL 865 813[25] 		LNR,[26] NCR,[27] SAC,[28] SPA[29] Map Citation This grassland and heath common has diverse habitats and a rich flora, including several nationally rare plants. There are nearly a hundred species of birds, including sixty which breed on the site, and a wide range of invertebrates.[30]
Bawsey Bawsey Green tickY 2.6 hectares
(6.4 acres)[31] 		NO King's Lynn
52°44′46″N 0°29′13″E / 52.746°N 0.487°E / 52.746; 0.487 (Bawsey)
TF 680 194[31] 		GCR[32] Map Citation This site has till dating to the Quaternary period, unsorted glacial sediments, with a depth of up to five metres. It is separated from the main East Anglian till sheet, and it is the type site for the Bawsey Calcareous Till.[33]
Beeston Cliffs Beeston Cliffs Green tickY Green tickY 10.3 hectares
(25 acres)[34] 		YES Sheringham
52°56′35″N 1°13′37″E / 52.943°N 1.227°E / 52.943; 1.227 (Beeston Cliffs)
TG 169 433[34] 		GCR[35] Map Citation This is the type site for the Beestonian stage of the Early Pleistocene, between around 1.8 and 0.8 million years ago. It has both marine and freshwater deposits. There is a nationally rare plant, purple broomrape, in calcareous grassland on the clifftop.[36][37]
Beetley and Hoe Meadows Beetley and Hoe Meadows Green tickY 11.4 hectares
(28 acres)[38] 		PP Dereham
52°42′54″N 0°55′48″E / 52.715°N 0.930°E / 52.715; 0.930 (Beetley and Hoe Meadows)
TF 980 171[38] 		NWT[39] Map Citation This site is described by Natural England as "one of the finest remaining areas of wet unimproved grassland in Norfolk". It is traditionally managed by summer grazing, with plants such as glaucous sedge and bog pimpernel in marshy parts and blunt-flowered rush and carnation sedge in permanently wet areas.[40]
Bilsey Hill Bilsey Hill Green tickY 3.0 hectares
(7.4 acres)[41] 		NO Holt
52°56′02″N 1°00′32″E / 52.934°N 1.009°E / 52.934; 1.009 (Bilsey Hill)
TG 023 416[41] 		AONB,[42] GCR[43] Map Citation This 20-metre (22-yard) deep Pleistocene exposure exhibits a sequence of glacial till, sands and gravels associated with the melt phase of the ice sheet.[44]
Blackborough End Pit Blackborough End Pit Green tickY 13.2 hectares
(33 acres)[45] 		NO King's Lynn
52°42′07″N 0°28′08″E / 52.702°N 0.469°E / 52.702; 0.469 (Blackborough End Pit)
TF 669 145[45] 		GCR[46] Map Citation This site is important as a demonstration of erosion during the Lower Cretaceous. The Carstone Formation, which dates to the Albian around 110 million years ago, rests unconformably on the Leziate Beds, which date to the Valanginian, over 130 million years ago, and the normally intervening Dersingham Beds are missing.[47]
Blo' Norton and Thelnetham Fens Thelnetham Fen Green tickY 21.3 hectares
(53 acres)[48] 		YES Diss
52°22′12″N 0°57′40″E / 52.370°N 0.961°E / 52.370; 0.961 (Blo' Norton and Thelnetham Fens)
TM 017 788[48] 		NCR,[49] SAC,[50] Map[d] Citation The site is designated mainly because of its open carr fen communities, although further interest is provided by areas of carr woodland and meadows. Calcareous fen flora include black bog rush, saw sedge, purple moor grass and fen orchid.[51]
Booton Common Booton Common Green tickY 8.2 hectares
(20 acres)[52] 		YES Norwich
52°45′47″N 1°07′44″E / 52.763°N 1.129°E / 52.763; 1.129 (Booton Common)
TG 112 230[52] 		NWT,[53] SAC[23] Map Citation The common has diverse habitats, including wet calcareous fen grassland, acid heath, tall fen, alder woodland and a stream. Wet hollows are floristically rich and there are a variety of breeding birds.[54]
Boughton Fen Boughton Fen Green tickY 15.7 hectares
(39 acres)[55] 		YES King's Lynn
52°34′59″N 0°32′02″E / 52.583°N 0.534°E / 52.583; 0.534 (Boughton Fen)
TF 718 014[55] 		Map Citation This valley in a tributary of the River Wissey is covered by tall fen over most of the site, together with areas of scrub which provide a habitat for breeding birds. There are many uncommon species of moths, including the rare Perizoma sagittaria.[56]
Bramerton Pits Bramerton Pits Green tickY 0.7 hectares
(1.7 acres)[57] 		YES Norwich
52°36′11″N 1°23′20″E / 52.603°N 1.389°E / 52.603; 1.389 (Bramerton Pits)
TG 296 060[57] 		GCR[58][59] Map Citation The site is composed of two disused gravel pits which are important for the study of the Lower Pleistocene. Bramerton Common Pit is the type site of the Norwich Crag Formation and Blakes Pit is the type site of the Bramertonian Stage. Both pits have yielded rich, mainly marine vertebrate fossils.[60]
Breckland Farmland Breckland Farmland Green tickY 13,394.0 hectares
(33,097 acres)[61] 		PP Brandon
52°26′06″N 0°38′28″E / 52.435°N 0.641°E / 52.435; 0.641 (Breckland Farmland)
TL 796 852[61] 		SPA[29] Map[d] Citation The site is designated an SSSI for its internationally important population of stone-curlews. These birds nest in March on bare ground in cultivated land with very short vegetation. Fields with sugar beet and vegetables and no recreational disturbance are preferred.[62]
Breckland Forest Breckland Forest Green tickY Green tickY 18,126.0 hectares
(44,790 acres)[63] 		PP Brandon
52°27′07″N 0°40′48″E / 52.452°N 0.680°E / 52.452; 0.680 (Breckland Forest)
TL 822 872[63] 		LNR,[64] SPA[29] Map[d] Citation The forest has breeding woodlarks and nightjars in internationally important numbers, and several nationally rare vascular plants and invertebrates on the IUCN Red List of Threatened Species. There are also geological sites which provide evidence of the environmental and human history of East Anglia during the Middle Pleistocene.[65]
Breydon Water Breydon Water Green tickY 514.4 hectares
(1,271 acres)[66] 		PP Great Yarmouth
52°36′18″N 1°40′48″E / 52.605°N 1.680°E / 52.605; 1.680 (Breydon Water)
TG 493 072[66] 		LNR,[67] Ramsar,[68] RSPB,[69] SPA[70] Map Citation This inland tidal estuary has large areas of mud at low tide, and it provides an ample food supply for migrating and wintering wildfowl and waders. There are nationally important numbers of several species of wintering wildfowl, including rare species.[71]
Bridgham and Brettenham Heaths Brettenham Heath Green tickY 439.9 hectares
(1,087 acres)[72] 		YES Norwich
52°26′31″N 0°49′41″E / 52.442°N 0.828°E / 52.442; 0.828 (Bridgham and Brettenham Heaths)
TL 923 864[72] 		NCR,[73] NNR,[74] SAC,[28] SPA[29] Map Citation The dominant plants on this dry acidic heath are heather and wavy hair-grass. There are also areas of scrub and woodland. The site supports many species of breeding birds, including common curlews and nightjars.[75]
The Brinks, Northwold The Brinks, Northwold Green tickY 16.4 hectares
(41 acres)[76] 		NO Thetford
52°31′41″N 0°35′10″E / 52.528°N 0.586°E / 52.528; 0.586 (The Brinks, Northwold)
TL 755 954[76] 		Map Citation These unimproved meadows have areas of tall herbs and grassland grazed by cattle and sheep. There are also areas of woodland and several ponds. More than 140 flowering plants have been recorded, including green-winged orchid, black knapweed and pepper saxifrage.[77]
Briton's Lane Gravel Pit Briton's Lane Gravel Pit Green tickY 21.5 hectares
(53 acres)[78] 		NO Sheringham
52°55′34″N 1°13′30″E / 52.926°N 1.225°E / 52.926; 1.225 (Briton's Lane Gravel Pit)
TG 169 414[78] 		AONB,[42] GCR[79] Map Citation This working quarry exposes gravel and sand derived from melting ice at the end of the Anglian glaciation around 425,000 years ago.[80]
Broad Fen, Dilham Broad Fen, Dilham Green tickY 38.4 hectares
(95 acres)[81] 		NO North Walsham
52°46′26″N 1°28′16″E / 52.774°N 1.471°E / 52.774; 1.471 (Broad Fen, Dilham)
TG 342 253[81] 		Ramsar,[8] SAC,[9] SPA[10] Map Citation This site's diverse habitats include fen, carr woodland, open water and fen meadows. The open water includes ponds which were dug to attract wildfowl, a stretch of the Dilham Canal and dykes. Aquatic plants include bladderwort and white water lily.[82]
Broome Heath Pit Broome Heath Pit Green tickY 1.2 hectares
(3.0 acres)[83] 		YES Bungay
52°28′23″N 1°27′14″E / 52.473°N 1.454°E / 52.473; 1.454 (Broome Heath Pit)
TM 347 917[83] 		GCR,[84] LNR[85] Map Citation This site exposes rocks dating to the Wolstonian glaciation between around 350,000 and 130,000 years ago. It provides the only surviving exposure of the Broome Terrace, the flood plain of an ancient river. Ice wedges and fossils of Arctic flora and fauna indicate a tundra environment.[86]
Bryant's Heath, Felmingham Bryant's Heath Green tickY 17.7 hectares
(44 acres)[87] 		YES North Walsham
52°48′50″N 1°20′56″E / 52.814°N 1.349°E / 52.814; 1.349 (Bryant's Heath, Felmingham)
TG 258 293[87] 		Map Citation Most of this site is dry acidic heath on glacial sands, but there are also areas of wet heath, fen and carr woodland. Several unusual mosses and lichens have been recorded in wetter areas.[88]
Bure Broads and Marshes Bure Broads and Marshes Green tickY 741.1 hectares
(1,831 acres)[89] 		PP Norwich
52°41′24″N 1°28′23″E / 52.690°N 1.473°E / 52.690; 1.473 (Bure Broads and Marshes)
TG 348 159[89] 		NCR,[90] NNR[91] NWT,[92][93] Ramsar,[8] SAC,[9] SPA[10] Map Citation This is described by Natural England as a "nationally and internationally important wetland complex", which is situated on fenland peats in the floodplain of the River Bure. A notable feature is an extensive area of swamp alder carr on unstable peats and mud. There are a number of rare bird and butterfly species.[94]
Burgh Common and Muckfleet Marshes Burgh Common and Muckfleet Marshes Green tickY 121.5 hectares
(300 acres)[95] 		FP Great Yarmouth
52°39′25″N 1°36′22″E / 52.657°N 1.606°E / 52.657; 1.606 (Burgh Common and Muckfleet Marshes)
TG 440 127[95] 		Ramsar,[8] SAC,[9] SPA[10] Map Citation The Muck Fleet, a tributary of the River Bure, runs through this wetland site, which is traditionally managed by grazing and mowing. Habitats include tall fen, fen meadows and drainage dykes. There are rare plants and invertebrates, such as the swallowtail butterfly and the freshwater snail Anisus vorticulus.[96]
Buxton Heath Buxton Heath Green tickY 67.3 hectares
(166 acres)[97] 		YES Norwich
52°44′56″N 1°13′12″E / 52.749°N 1.220°E / 52.749; 1.220 (Buxton Heath)
TG 174 217[97] 		NCR,[98] SAC[23] Map Citation This site has areas of dry acidic heath on glacial sands, but the main ecological interest lies in the mire along the valley of a small stream. There are a number of rare relict mosses, liverworts and fungi, together with some uncommon invertebrates.[99]
Caistor St Edmund Chalk Pit Caistor St Edmund Chalk Pit Green tickY 23.6 hectares
(58 acres)[100] 		NO Norwich
52°35′42″N 1°18′22″E / 52.595°N 1.306°E / 52.595; 1.306 (Caistor St. Edmund Chalk Pit)
TG 240 048[100] 		GCR[101][102] Map Citation This site provides the best exposure of the late Campanian Beeston Chalk, around 75 million years ago. It is very fossiliferous, with many molluscs and sea urchins.[103]
Calthorpe Broad Calthorpe Broad Green tickY 43.5 hectares
(107 acres)[104] 		NO Norwich
52°46′37″N 1°34′23″E / 52.777°N 1.573°E / 52.777; 1.573 (Calthorpe Broad)
TG 411 259[104] 		NCR,[105] NNR,[106] Ramsar,[8] SAC,[9] SPA[10] Map Citation This broad has diverse fauna and flora. Water plants include mare's-tail, water violet, blunt-leaved pondweed, spiked water-milfoil, floating scirpus, yellow water-lily and the nationally scarce water soldier.[107]
Cantley Marshes Cantley Marshes Green tickY 272.1 hectares
(672 acres)[108] 		PP Norwich
52°34′55″N 1°29′49″E / 52.582°N 1.497°E / 52.582; 1.497 (Cantley Marshes)
TG 370 040[108] 		NNR,[109] Ramsar,[8] RSPB,[110] SAC,[9] SPA[10] Map Citation This site in the Yare valley is mainly species-rich grazing marsh with areas of wet alder carr and tall herb fen along the river bank. Invertebrates include two nationally rare dragonflies. The marshes have several important breeding bird species and an internationally important population of wintering wigeon.[111]
Castle Acre Common Castle Acre Common Green tickY 17.8 hectares
(44 acres)[112] 		YES King's Lynn
52°42′11″N 0°39′58″E / 52.703°N 0.666°E / 52.703; 0.666 (Castle Acre Common)
TF 802 151[112] 		Map Citation This unimproved grazing marsh on the banks of the River Nar has diverse grassland habitats, and the marshy conditions provide nesting sites for several wetland bird species. There are acidic flushes where springs emerge from sands in the bottom of the valley.[113]
Catton Grove Chalk Pit Catton Grove Chalk Pit Green tickY 0.6 hectares
(1.5 acres)[114] 		NO Norwich
52°38′56″N 1°17′31″E / 52.649°N 1.292°E / 52.649; 1.292 (Catton Grove Chalk Pit)
TG 228 108[114] 		GCR[115] Map Citation This Cretaceous site exposes rocks dating to the late Campanian, around 75 million years ago, and it is the type site for the Catton Sponge Bed. Its well preserved fossils include many undescribed sponges and important ammonites.[116]
Cawston and Marsham Heaths Cawston and Marsham Heaths Green tickY 116.7 hectares
(288 acres)[117] 		YES Norwich
52°46′01″N 1°12′50″E / 52.767°N 1.214°E / 52.767; 1.214 (Cawston and Marsham Heaths)
TG 169 237[117] 		Map Citation These heaths are dominated by heather, and they have diverse flora including a rich variety of lichens. Many species of heathland birds breed on the site, including tree pipits, whinchats and nightjars.[118]
Cockthorpe Common, Stiffkey Cockthorpe Common Green tickY 7.1 hectares
(18 acres)[119] 		YES Wells-next-the-Sea
52°56′49″N 0°57′07″E / 52.947°N 0.952°E / 52.947; 0.952 (Cockthorpe Common, Stiffkey)
TF 984 429[119] 		AONB[42] Map Citation This common in the valley of the River Stiffkey has a varied chalk grassland flora on steep slopes. Herbs are abundant, including salad burnet, dropwort, common rock-rose, large thyme and cowslip.[120]
Coston Fen, Runhall Coston Fen Green tickY 7.1 hectares
(18 acres)[121] 		NO Norwich
52°37′05″N 1°02′35″E / 52.618°N 1.043°E / 52.618; 1.043 (Coston Fen, Runhall)
TG 061 066[121] 		SAC[23] Map Citation This spring-fed site in the Yare valley has a variety of fen habitats, including a nationally rare calcareous mire community of fen flora. There are also areas of tall herbs, scrub and improved pasture.[122]
Cranberry Rough, Hockham (Hockham Mere) Cranberry Rough Green tickY Green tickY 81.1 hectares
(200 acres)[123] 		PP Thetford
52°30′18″N 0°50′42″E / 52.505°N 0.845°E / 52.505; 0.845 (Cranberry Rough Hockham)
TL 932 935[123] 		GCR,[124] LNR,[64] NCR,[125] SPA[29] Map Citation This former lake has swamp woodland, grassland, tall fen and a network of ditches and pools. It has a diverse range of wetland plants and insects, especially butterflies, dragonflies and damselflies. Large areas are covered with Sphagnum mosses.[126]
Cranwich Camp Cranwich Camp Green tickY 13.1 hectares
(32 acres)[127] 		YES Thetford
52°30′58″N 0°36′47″E / 52.516°N 0.613°E / 52.516; 0.613 (Cranwich Camp)
TL 774 941[127] 		SAC,[28] SPA[29] Map Citation This former army camp in the Breckland is now grassland, and it has a high value both entomologically and botanically. It has four Red Data Book insects and three Red Data Book plants. Rabbits help to maintain areas with diverse flora and invertebrates.[128]
Crostwick Marsh Crostwick Marsh Green tickY 11.6 hectares
(29 acres)[129] 		YES Norwich
52°41′56″N 1°20′46″E / 52.699°N 1.346°E / 52.699; 1.346 (Crostwick Marsh)
TG 262 165[129] 		Ramsar,[8] SAC,[9] SPA[10] Map Citation This marsh is in the valley of the Crostwick Beck, a tributary of the River Bure. It has areas of damp grassland, tall fen, species-rich fen grassland, alder carr, scrub and dykes. There is a variety of breeding marshland birds.[130]
Damgate Marshes, Acle Damgate Marshes Green tickY 64.7 hectares
(160 acres)[131] 		FP Norwich
52°37′52″N 1°33′47″E / 52.631°N 1.563°E / 52.631; 1.563 (Damgate Marshes, Acle)
TG 412 096[131] 		Ramsar,[8] SAC[9] Map Citation These traditionally managed grazing marshes and dykes are a nationally important wetland site. Their ecological significance lies mainly in the dykes, which have several uncommon water plants and a great diversity of aquatic invertebrates.[132]
Decoy Carr, Acle Decoy Carr, Acle Green tickY 56.0 hectares
(138 acres)[133] 		NO Norwich
52°37′30″N 1°33′07″E / 52.625°N 1.552°E / 52.625; 1.552 (Decoy Carr, Acle)
TG 405 090[133] 		Ramsar,[8] SAC,[9] SPA[10] Map Citation This area of wet carr woodland, fen, reedbeds and open water, is spring-fed. It has a number of rare Arctic–alpine mosses, such as Cinclidium stygium and Camptothecium nitens, which indicate only minor disturbance since the end of the last ice age. There is a network of dykes which have clear spring water and a variety of water plants.[134]
Dereham Rush Meadow Dereham Rush Meadow Green tickY 22.2 hectares
(55 acres)[135] 		NO Dereham
52°41′20″N 0°55′08″E / 52.689°N 0.919°E / 52.689; 0.919 (Dereham Rush Meadow)
TF 974 141[135] 		Map Citation This is an area of grassland and alder carr in the valley of a tributary of the River Wensum. The site has diverse habitats and it is traditionally maintained by grazing by horses. It is subject to flooding in winter.[136]
Dersingham Bog Dersingham Bog Green tickY Green tickY 159.1 hectares
(393 acres)[137] 		YES King's Lynn
52°49′52″N 0°28′55″E / 52.831°N 0.482°E / 52.831; 0.482 (Dersingham Bog)
TF 673 288[137] 		AONB,[42] GCR,[138] NCR,[139] NNR,[140] Ramsar,[141] SAC[142] Map Citation This is the largest and most intact acid valley mire in East Anglia, and it is of ornithological and entomological interest. Part of the site, Dersingham Pit, is important for establishing the rock sequence in the Lower Cretaceous in Norfolk.[143]
Didlington Park Lakes Stream from Didlington Park Lakes Green tickY 26.1 hectares
(64 acres)[144] 		NO Thetford
52°32′10″N 0°37′08″E / 52.536°N 0.619°E / 52.536; 0.619 (Didlington Park Lakes)
TL 777 963[144] 		Map Citation These three artificial lakes probably date to the early nineteenth century. They are an important breeding site for wildfowl, including gadwall, teal, mallard, shoveler, tufted duck and great crested grebe.[145]
Dillington Carr Dillington Carr Green tickY 50.0 hectares
(124 acres)[146] 		NO Dereham
52°42′14″N 0°54′50″E / 52.704°N 0.914°E / 52.704; 0.914 (Dillington Carr)
TF 970 158[146] 		Map Citation This valley in a tributary of the River Wensum has extensive irrigation reservoirs and areas of carr woodland. An outstanding variety of birds breed on the site, including gadwalls, great crested grebe and tufted ducks on the reservoirs and barn owls, lesser spotted woodpeckers and willow tit in the woodland.[147]
Ducan's Marsh Ducan's Marsh Green tickY 3.6 hectares
(8.9 acres)[148] 		NO Norwich
52°34′19″N 1°27′00″E / 52.572°N 1.450°E / 52.572; 1.450 (Ducan's Marsh)
TG 339 027[148] 		Ramsar,[8] SAC,[9] SPA[10] Map Citation This unimproved area of wet grassland is in the valley of Carleton Beck, a small tributary of the River Yare. There are species rich fen and fen grassland communities in areas around springs on the side of the valley. The grassland is maintained by light summer grazing and it has a number of uncommon plants.[149]
East Harling Common East Harling Common Green tickY 15.1 hectares
(37 acres)[150] 		YES Norwich
52°27′11″N 0°56′20″E / 52.453°N 0.939°E / 52.453; 0.939 (East Harling Common)
TL 998 879[150] 		Map Citation The importance of this site lies in its pingos, periglacial ground ice depressions, and it has many scarce species of beetles. There are also areas of chalk grassland and floristically rich fen.[151]
East Runton Cliffs East Runton Cliffs Green tickY 20.6 hectares
(51 acres)[152] 		YES Cromer
52°56′17″N 1°16′16″E / 52.938°N 1.271°E / 52.938; 1.271 (East Runton Cliffs)
TG 199 429[152] 		GCR[153][154] Map Citation The foreshore exposes Lower Pleistocene sediments, including large blocks of glacitectonic (transported by ice) chalk. There are many fossils, including extinct horse, rhinoceros, and elephant.[155]
East Ruston Common East Ruston Common Green tickY 39.5 hectares
(98 acres)[156] 		YES Norwich
52°47′56″N 1°28′23″E / 52.799°N 1.473°E / 52.799; 1.473 (East Ruston Common)
TG 342 280[156] 		Map Citation This is an area of unimproved fen, heath and carr woodland in the valley of a tributary of the River Ant. it is the only known English locality for the rare spider, Acanthophyma gowerensis, and it also has another nationally rare spider, Hygrolycosa rubrofasciata.[157]
East Walton and Adcock's Common East Walton Common Green tickY Green tickY 62.4 hectares
(154 acres)[158] 		YES King's Lynn
52°42′54″N 0°34′08″E / 52.715°N 0.569°E / 52.715; 0.569 (East Walton and Adcock's Common)
TF 736 161[158] 		GCR,[159] SAC[23] Map Citation These commons have periglacial depressions separated by chalk ridges. The habitats include chalk grassland, springs, open water and scrub. The grasses and herbs are diverse with up to thirty-two species per square metre, and the rich invertebrate fauna includes seven Red Data Book and seventy-nine nationally rare species.[160]
East Winch Common East Winch Common Green tickY 26.1 hectares
(64 acres)[161] 		YES King's Lynn
52°42′47″N 0°30′54″E / 52.713°N 0.515°E / 52.713; 0.515 (East Winch Common)
TF 700 158[161] 		NWT[162] Map Citation This site is mainly wet acid heath on peat, and it is dominated by heather and cross-leaved heath. There are many wet hollows, which have diverse fen and mire flora, and areas of young woodland.[163]
East Wretham Heath East Wretham Heath Green tickY 141.1 hectares
(349 acres)[164] 		YES Thetford
52°27′29″N 0°48′29″E / 52.458°N 0.808°E / 52.458; 0.808 (East Wretham Heath)
TL 909 882[164] 		NCR,[165] NWT,[166] SAC,[28] SPA[29] Map Citation The principal ecological interest of this site lies in areas of Breckland grassland and two meres, which are supplied by ground water, and fluctuate irregularly. These conditions have led to unusual plants communities which are tolerant of alternate wetting and drying, such as reed canary grass and amphibious bistort.[167]
Eaton Chalk Pit Fence around Eaton Chalk Pit Green tickY 0.2 hectares
(0.49 acres)[168] 		NO Norwich
52°36′36″N 1°15′40″E / 52.610°N 1.261°E / 52.610; 1.261 (Eaton Chalk Pit)
TG 209 064[168] 		Map Citation These former chalk mines are used by hibernating bats and the site has been monitored over a long period for research into bat ecology. Up to 40 bats use the mines and the main species are Daubenton's, Natterer's and brown long-eared bats.[169]
Edgefield Little Wood Edgefield Little Wood Green tickY 5.3 hectares
(13 acres)[170] 		YES Melton Constable
52°51′47″N 1°07′44″E / 52.863°N 1.129°E / 52.863; 1.129 (Edgefield Little Wood)
TG 107 341[170] 		Map Citation This is coppice with standards ancient woodland on acidic sands and gravels. Oaks which have been coppiced in the past have stools which are so tall that the wood resembles high forest. It is surrounded by ancient boundary banks.[171]
Elm Road Field, Thetford Elm Road Field Green tickY 5.0 hectares
(12 acres)[172] 		YES Thetford
52°20′24″N 0°43′52″E / 52.340°N 0.731°E / 52.340; 0.731 (Elm Road Field, Thetford)
TL 859 815[172] 		Map Citation This area of open space has grassland with a rich flora. There are a number of uncommon plants, including the nationally endangered field wormwood and the nationally scarce sickle medick and tower mustard. There are two mature Scots pine hedges.[173]
Felbrigg Woods Felbrigg Woods Green tickY 164.6 hectares
(407 acres)[174] 		YES Norwich
52°54′47″N 1°15′43″E / 52.913°N 1.262°E / 52.913; 1.262 (Felbrigg Woods)
TG 194 400[174] 		AONB,[42] NCR,[175] NT,[176] RHPG[177] Map Citation Ancient trees in this wood have more than fifty species of lichen, including several which are rare in East Anglia. Many of them are indicators of ancient undisturbed woodland. The trees are mainly beech which have been pollarded many years ago, and have massive stools and boles.[178]
Field Barn Heaths, Hilborough Field Barn Heaths, Hilborough Green tickY 17.9 hectares
(44 acres)[179] 		NO Thetford
52°34′52″N 0°40′55″E / 52.581°N 0.682°E / 52.581; 0.682 (Field Barn Heaths, Hilborough)
TF 818 015[179] 		SAC,[28] SPA[29] Map Citation This light sandy grassland site is maintained by rabbit grazing and it has a rich variety of flora. There are also areas of ungrazed grassland and oak and hawthorn woodland.[180]
Flordon Common Flordon Common Green tickY 9.9 hectares
(24 acres)[181] 		YES Norwich
52°31′44″N 1°12′54″E / 52.529°N 1.215°E / 52.529; 1.215 (Flordon Common)
TM 182 972[181] 		SAC[23] Map Citation Springs emerge from this chalk valley of the River Tas, resulting in a species-rich calcareous fen, including the very rare narrow-mouthed whorl snail. On higher ground there is chalk grassland, which is traditionally managed by grazing, allowing the survival of many locally rare plants.[182]
Forncett Meadows Forncett Meadows Green tickY 5.2 hectares
(13 acres)[183] 		FP Norwich
52°29′17″N 1°11′13″E / 52.488°N 1.187°E / 52.488; 1.187 (Forncett Meadows)
TM 165 926[183] 		Map Citation This site in the valley of the River Tas has a variety of grassland types due to variations in soil and wetness and a long history of management by non-intensive grazing. There are also ponds and areas of scrub and alder woodland.[184]
Foulden Common Foulden Common Green tickY 139.0 hectares
(343 acres)[185] 		YES Thetford
52°34′12″N 0°35′46″E / 52.570°N 0.596°E / 52.570; 0.596 (Foulden Common)
TF 760 001[185] 		NCR,[186] SAC[23] Map Citation This common has a mosaic of habitats, such as acidic and calcareous grassland, birch woodland, rich fen and open water. Flora in the fen grassland include purple moor-grass, black bog rush, purple small-reed and blunt-flowered rush.[187]
Foxley Wood Foxley Wood Green tickY 124.2 hectares
(307 acres)[188] 		YES Dereham
52°45′40″N 1°02′35″E / 52.761°N 1.043°E / 52.761; 1.043 (Foxley Wood)
TG 054 225[188] 		NCR,[189] NNR,[190] NWT[191] Map Citation This is the largest area of ancient woodland in the county. The flora is diverse, with more than 250 species recorded, and invertebrates include several rare butterflies, such as the purple emperor and white admiral.[192]
Fritton Common, Morningthorpe Fritton Common, Morningthorpe Green tickY 20.5 hectares
(51 acres)[193] 		YES Norwich
52°28′55″N 1°16′19″E / 52.482°N 1.272°E / 52.482; 1.272 (Fritton Common, Morningthorpe)
TM 223 921[193] 		Map Citation This damp acidic meadow common is traditionally managed by light cattle grazing. Scattered ancient trees have a wide variety of epiphytic lichens, including some which are locally rare. There are a number of natural ponds with diverse invertebrate fauna.[194]
Gawdyhall Big Wood, Harleston Gawdyhall Big Wood Harleston Green tickY 29.8 hectares
(74 acres)[195] 		NO Harleston
52°24′58″N 1°18′25″E / 52.416°N 1.307°E / 52.416; 1.307 (Gawdyhall Big Wood, Harleston)
TM 250 849[195] 		Map Citation

This ancient wood on poorly drained chalky boulder clay has coppiced hornbeam, ash and hazel with oak standards. The ground flora is especially diverse around the hornbeams and on wet rides.[196]

Geldeston Meadows Geldeston Meadows Green tickY 14.0 hectares
(35 acres)[197] 		NO Beccles
52°28′12″N 1°31′34″E / 52.470°N 1.526°E / 52.470; 1.526 (Geldeston Meadows)
TM 396 916[197] 		Ramsar,[8] SAC,[9] SPA[10] Map Citation These traditionally managed meadows in the flood plain of the River Waveney have a very diverse flora. Most of the site is wet grassland which is dominated by sweet vernal grass, common quaking grass and crested dog's-tail.[198]
Glandford (Hurdle Lane) Glandford (Hurdle Lane) Green tickY 9.4 hectares
(23 acres)[199] 		NO Holt
52°55′55″N 1°03′11″E / 52.932°N 1.053°E / 52.932; 1.053 (Glandford (Hurdle Lane))
TG 053 415[199] 		AONB,[42] GCR[200] Map Citation This is a working quarry in the valley of the River Glaven. It has a complex sequence of deposits formed by Pleistocene glaciers, with till, lacustrine calcareous silts, sands and coarse gravels, which throw light on the glacial history of the area.[201]
Glandford (Letheringsett Road) Glandford (Letheringsett Road) Green tickY 1.1 hectares
(2.7 acres)[202] 		NO Holt
52°55′41″N 1°02′13″E / 52.928°N 1.037°E / 52.928; 1.037 (Glandford (Letheringsett Road))
TG 042 410[202] 		AONB,[42] GCR[203] Map Citation This site is important because it has mounds of gravel and till which can help to show whether the North Norfolk till plain is the result of Pleistocene glacial deposition or is the residue of the erosion of a former more extensive area of gravel.[204]
Gooderstone Warren Gooderstone Warren Green tickY 21.6 hectares
(53 acres)[205] 		NO Thetford
52°34′37″N 0°38′42″E / 52.577°N 0.645°E / 52.577; 0.645 (Gooderstone Warren)
TF 793 010[205] 		SAC,[28] SPA[29] Map Citation This sandy site has soils which range from acid to calcareous, resulting in a variety of grassland types. There is a pit at the north end which has flora including cowslips and the uncommon purple milk vetch.[206]
Great Cressingham Fen Great Cressingham Fen Green tickY 14.3 hectares
(35 acres)[207] 		NO Thetford
52°35′10″N 0°43′30″E / 52.586°N 0.725°E / 52.586; 0.725 (Great Cressingham Fen)
TF 847 022[207] 		SAC[23] Map Citation This calcareous spring-fed valley has a variety of vegetation types, ranging from dry unimproved grassland on high slopes to tall fen where the springs emerge at the valley bottom. There is a diverse range of flora, including some uncommon species. Plants in the valley bottom include water mint and southern marsh orchid.[208]
Great Yarmouth North Denes Great Yarmouth North Denes Green tickY 100.8 hectares
(249 acres)[209] 		YES Great Yarmouth
52°37′55″N 1°44′13″E / 52.632°N 1.737°E / 52.632; 1.737 (Great Yarmouth North Denes)
TG 530 104[209] 		NCR,[209] SPA[210] Map Citation These beaches have a complete succession of dune vegetation types, from foredunes to very extensive dry acid dune grassland. The site has the largest breeding colony of little terns in Britain.[211]
Grime's Graves Grime's Graves Green tickY Green tickY 66.1 hectares
(163 acres)[212] 		YES Brandon
52°28′41″N 0°40′12″E / 52.478°N 0.670°E / 52.478; 0.670 (Grime's Graves)
TL 814 900[212] 		GCR,[213] SAC,[28] SM,[214] SPA[29] Map Citation This Breckland heath site has diverse plant communities. In the northern part there are parallel strips of heather and acid grassland, which are thought to have been formed periglacially during the last glacial period. Five species of bat use re-excavated Neolithic flint mines for winter roosting.[215]
Grimston Warren Pit Grimston Warren Pit Green tickY 6.7 hectares
(17 acres)[216] 		NO King's Lynn
52°46′16″N 0°28′44″E / 52.771°N 0.479°E / 52.771; 0.479 (Grimston Warren Pit)
TF 673 222[216] 		GCR[217] Map Citation This former quarry is described by Natural England as "a nationally important site for dating the constituent facies of the Lower Cretaceous in north Norfolk". It has yielded ammonites which date to the Hauterivian age around 130 million years ago.[218]
Gunton Park Lake Gunton Park Lake Green tickY 18.3 hectares
(45 acres)[219] 		NO Norwich
52°51′43″N 1°17′46″E / 52.862°N 1.296°E / 52.862; 1.296 (Gunton Park Lake)
TG 220 345[219] 		Map Citation This artificial lake has the largest flock of post-breeding gadwall in Britain, and more than 500 birds have sometimes been recorded in September. Wintering wildfowl include teal, mallard, shoveler, shelduck and goosander.[220]
Hall Farm Fen, Hemsby Hall Farm Fen, Hemsby Green tickY 9.2 hectares
(23 acres)[221] 		YES Great Yarmouth
52°41′35″N 1°40′08″E / 52.693°N 1.669°E / 52.693; 1.669 (Hall Farm Fen, Hemsby)
TG 480 169[221] 		Ramsar,[8] SAC,[9] SPA[10] Map Citation This area of unimproved fen grassland and dykes is grazed by horses and cattle. It has diverse flora, including many orchids. The dykes have a rich variety of aquatic plants and invertebrates, including the nationally rare freshwater snail Segmentina nitida.[222]
Halvergate Marshes Halvergate Marshes Green tickY 1,432.7 hectares
(3,540 acres)[223] 		PP Norwich
52°35′17″N 1°36′29″E / 52.588°N 1.608°E / 52.588; 1.608 (Halvergate Marshes)
TG 445 050[223] 		LNR,[224] Ramsar,[8][68] RSPB,[69] SAC,[9] SPA[10][70] Map Citation These traditionally managed grazing marshes have a system of intersecting dykes, and they have a wide variety of aquatic ditch communities, including pondweeds of international importance. There are many bird species, with wintering Bewick's swans in internationally important numbers.[225]
Happisburgh Cliffs Happisburgh Cliffs Green tickY 6.1 hectares
(15 acres)[226] 		YES Happisburgh
52°49′34″N 1°31′59″E / 52.826°N 1.533°E / 52.826; 1.533 (Happisburgh Cliffs)
TG 381 312[226] 		GCR[227] Map Citation These cliffs are unique as they display three glacial deposits, from the 1.9 million year old Pre-Pastonian Stage to the Beestonian and the Cromer Tills of the Anglian stage 450,000 years ago, the most severe ice age of the Pleistocene.[228]
Hardley Flood Hardley Flood Green tickY 49.8 hectares
(123 acres)[229] 		YES Norwich
52°32′31″N 1°30′29″E / 52.542°N 1.508°E / 52.542; 1.508 (Hardley Flood)
TM 380 996[229] 		Ramsar,[8] SAC,[9] SPA[10] Map Citation This area of tidal lagoons and reedbeds provides a spillway for the River Chet. The reedbeds provide nesting sites for birds, including nationally important populations of several breeding birds. Three rare flies have been recorded, Elachiptera uniseta, Elachiptera scrobiculata and Lonchoptera scutellata.[230]
Heacham Brick Pit Heacham Brick Pit Green tickY 0.8 hectares
(2.0 acres)[231] 		NO King's Lynn
52°53′56″N 0°29′42″E / 52.899°N 0.495°E / 52.899; 0.495 (Heacham Brick Pit)
TF 679 364[231] 		GCR[232] Map Citation This is the only site which gives access to examine the Lower Cretaceous Snettisham Clay. It has Lower Barremian ammonite fossils, dating to around 130 million years ago.[233]
Hedenham Wood Hedenham Wood Green tickY 23.4 hectares
(58 acres)[234] 		NO Bungay
52°29′56″N 1°24′22″E / 52.499°N 1.406°E / 52.499; 1.406 (Hedenham Wood)
TM 313 945[234] 		Map Citation Most of this ancient wood on boulder clay is hornbeam coppice with oak standards, but the wet valley bottom has ash, maple and elm. The diverse ground flora includes some uncommon species.[235]
Hilgay Heronry Hilgay Heronry Green tickY 1.8 hectares
(4.4 acres)[236] 		NO Downham Market
52°33′58″N 0°24′40″E / 52.566°N 0.411°E / 52.566; 0.411 (Hilgay Heronry)
TL 635 992[236] 		Map Citation This small wood has a nationally important breeding colony of grey herons, with around forty nests each year in larch and ash trees. Nearby drainage dykes on The Fens provide feeding grounds.[237]
Hockering Wood Hockering Wood Green tickY 89.5 hectares
(221 acres)[238] 		NO Dereham
52°41′13″N 1°03′50″E / 52.687°N 1.064°E / 52.687; 1.064 (Hockering Wood)
TG 072 143[238] 		Map Citation This is one of the largest areas of ancient, semi-natural woodland in the county. It has many rare species, especially of bryophytes, and there are ponds which have populations of great crested newts, a protected species under the Wildlife and Countryside Act 1981.[239]
Holkham Brick Pit Holkham Brickpits Green tickY 0.5 hectares
(1.2 acres)[240] 		NO Wells-next-the-Sea
52°57′00″N 0°46′12″E / 52.950°N 0.770°E / 52.950; 0.770 (Holkham Brick Pit)
TF 862 428[240] 		AONB,[42] GCR[241] Map Citation According to Natural England, this is the best site displaying the Hunstanton Till, a glacial deposit dating the last glacial period, between 115,000 and 11,700 years ago. This is the furthest the ice reached in East Anglia during the Last Glacial Maximum, around 26,000 years ago.[242]
Holly Farm Meadow, Wendling Holly Farm Meadow, Wendling Green tickY 2.6 hectares
(6.4 acres)[243] 		NO Dereham
52°40′48″N 0°51′43″E / 52.680°N 0.862°E / 52.680; 0.862 (Holly Farm Meadow, Wendling)
TF 936 130[243] 		Map Citation This meadow in the valley of the River Wensum has a line of calcareous springs which supports fen grassland which has diverse flora. The unimproved meadow is maintained by seasonal grazing. There are also areas of tall fen and dry grassland with many anthills.[244]
Holt Lowes Holt Lowes Green tickY 49.9 hectares
(123 acres)[245] 		YES Holt
52°53′38″N 1°06′04″E / 52.894°N 1.101°E / 52.894; 1.101 (Holt Lowes)
TG 087 374[245] 		NCR,[246] SAC[23] Map Citation This site is mainly dry and sandy heath in the valley of the River Glaven, with a mire along a tributary which runs through the heath. Ground flora includes wood horsetail at its only known location in East Anglia.[247]
Honeypot Wood Honeypot Wood Green tickY 9.5 hectares
(23 acres)[248] 		YES Dereham
52°41′31″N 0°51′25″E / 52.692°N 0.857°E / 52.692; 0.857 (Honeypot Wood, Wendling)
TF 932 143[248] 		NWT[249] Map Citation This is an ancient coppiced wood on calcareous soil. It has a rich ground layer, which is dominated by dog's mercury, and other flora include greater butterfly-orchid and broad-leaved helleborine. A total of 208 plant species have been recorded.[250]
Hooks Well Meadows, Great Cressingham Hooks Well Meadows, Great Cressingham Green tickY 15.6 hectares
(39 acres)[251] 		NO Thetford
52°34′37″N 0°42′36″E / 52.577°N 0.710°E / 52.577; 0.710 (Hooks Well Meadows, Great Cressingham)
TF 837 011[251] 		Map Citation This site has a long history of traditional management. The diverse habitats include fen meadow, herb-rich wet grassland, acidic flushes, dry calcareous grassland and wet alder woodland, which has carpets of Sphagnum mosses.[252]
Horningtoft Wood Horningtoft Wood Green tickY 8.3 hectares
(21 acres)[253] 		NO Dereham
52°46′34″N 0°53′13″E / 52.776°N 0.887°E / 52.776; 0.887 (Horningtoft Wood)
TF 948 237[253] 		Map Citation This ancient coppice with standards wood on boulder clay has exceptionally diverse ground flora with several rare species. There are scattered mature oaks and the main coppiced species are hazel, ash and maple. The ground flora is dominated by dog's mercury on heavy soils and bramble on lighter ones.[254]
Horse Wood, Mileham Horse Wood Green tickY 7.1 hectares
(18 acres)[255] 		NO King's Lynn
52°43′52″N 0°50′38″E / 52.731°N 0.844°E / 52.731; 0.844 (Horse Wood, Mileham)
TF 921 186[255] 		Map Citation This is an ancient coppice with standards wood on boulder clay, and the ground flora is diverse with several rare species. There are wide and wet rides which have plants such as herb paris, valerian and water mint.[256]
Hunstanton Cliffs Hunstanton Cliffs Green tickY Green tickY 4.6 hectares
(11 acres)[257] 		YES Hunstanton
52°56′56″N 0°29′35″E / 52.949°N 0.493°E / 52.949; 0.493 (Hunstanton Cliffs)
TF 676 420[257] 		GCR[258][259] Map Citation These eroding cliffs expose a mid-Cretaceous sequence from the Albian to the succeeding Cenomanian around 100 million years ago, with exceptionally rich Albian ammonite fossils. Biological interest is provided by a colony of breeding fulmars on the cliff face.[260]
Hunstanton Park Esker Hunstanton Park Esker Green tickY 17.3 hectares
(43 acres)[261] 		NO Hunstanton
52°56′20″N 0°31′16″E / 52.939°N 0.521°E / 52.939; 0.521 (Hunstanton Park Eske)
TF 695 409[261] 		AONB,[42] GCR[262] Map Citation This is a 1.5-kilometre (1-mile) esker, a long winding ridge of stratified sand and gravel dating to the glacial Devensian period, between 115,000 and 11,700 years ago. This is an uncommon landform in central and southern England.[263]
Islington Heronry Islington Heronry Green tickY 1.3 hectares
(3.2 acres)[264] 		NO King's Lynn
52°43′05″N 0°19′12″E / 52.718°N 0.320°E / 52.718; 0.320 (Islington Heronry)
TF 568 159[264] 		Map Citation This stand of mature oaks has the largest breeding colony of grey herons in the county, with about eighty nests occupied each year. There are several other populations of woodland birds, such as the great spotted woodpecker.[265]
Kelling Heath Kelling Heath Green tickY 89.4 hectares
(221 acres)[266] 		YES Holt
52°55′55″N 1°07′30″E / 52.932°N 1.125°E / 52.932; 1.125 (Kelling Heath)
TG 101 418[266] 		AONB,[42] Map Citation The heath is described by Natural England as "a fine example of oceanic heathland". The vegetation is typical of dry, acid heath and is dominated by heather, bell heather, western gorse, gorse and bracken, with areas of mixed woodland. The dry conditions are favourable to reptiles such as common lizard and adder.[267]
Kenninghall and Banham Fens with Quidenham Mere Kenninghall and Banham Fens with Quidenham Mere Green tickY 48.4 hectares
(120 acres)[268] 		NO Norwich
52°26′53″N 1°00′00″E / 52.448°N 1.000°E / 52.448; 1.000 (Kenninghall and Banham Fens with Quidenham Mere)
TM 040 876[268] 		Map Citation This site in the valley of the River Whittle has a lake, tall fen, wet woodland and calcareous grassland. Springs feed an area of fen grassland dominated by purple moor grass, blunt-flowered rush and black bog-rush.[269]
Leet Hill, Kirby Cane Leet Hill, Kirby Cane Green tickY 6.5 hectares
(16 acres)[270] 		NO Bungay
52°28′55″N 1°30′14″E / 52.482°N 1.504°E / 52.482; 1.504 (Leet Hill, Kirby Cane)
TM 380 929[270] 		GCR[271] Map Citation This is a quarry which has a sequence of deposits dating to the Middle Pleistocene, with the base of gravels laid down by a confluence of rivers, with glacial gravels above, and then a sequence of chalky sands probably also laid down by glaciers.[272]
Leziate, Sugar and Derby Fens Sugar Fen Green tickY 87.9 hectares
(217 acres)[273] 		YES King's Lynn
52°45′14″N 0°31′05″E / 52.754°N 0.518°E / 52.754; 0.518 (Leziate, Sugar and Derby Fens)
TF 700 204[273] 		Map Citation These fens have extensive heaths and areas of wet acidic grassland, and there are smaller areas of damp woodland and species-rich calcareous grassland. There are many ant-hills on Derby Fen.[274]
Limpenhoe Meadows Limpenhoe Meadows Green tickY 12.0 hectares
(30 acres)[275] 		NO Norwich
52°34′23″N 1°32′13″E / 52.573°N 1.537°E / 52.573; 1.537 (Limpenhoe Meadows)
TG 398 031[275] 		Ramsar,[8] SAC,[9] SPA[10] Map Citation This area of unimproved fen grassland in the valley of the River Yare has a network of dykes. The soils vary from alluvial clays in the valley bottom to poorly drained peats higher up. The meadows are species-rich with some uncommon plants. Aquatic plants in the dykes include the nationally rare sharp-leaved pondweed.[276]
Lower Wood, Ashwellthorpe Lower Wood, Ashwellthorpe Green tickY 37.9 hectares
(94 acres)[277] 		YES Norwich
52°32′17″N 1°09′11″E / 52.538°N 1.153°E / 52.538; 1.153 (Lower Wood, Ashwellthorpe)
TM 139 980[277] 		NWT[278] Map Citation This ancient wood on chalky boulder clay has a diverse ground flora with uncommon species such as wood spurge, early-purple orchid, common twayblade, ramsons, water avens and woodruff.[279]
Ludham - Potter Heigham Marshes Ludham – Potter Heigham Marshes Green tickY 101.5 hectares
(251 acres)[280] 		PP Great Yarmouth
52°42′18″N 1°33′40″E / 52.705°N 1.561°E / 52.705; 1.561 (Ludham - Potter Heigham Marshes)
TG 407 179[280] 		NCR,[281] NNR,[282] Ramsar,[8] SAC,[9] SPA[10] Map Citation This is described by Natural England as "both a nationally important wetland site and one of the richest areas of traditionally managed grazing marsh and dykes now remaining in Broadland". The principal conservation lies in the aquatic flora and fauna of the dykes, especially the dragonflies.[281]
Mattishall Moor Mattishall Moor Green tickY 5.5 hectares
(14 acres)[283] 		NO Dereham
52°39′54″N 0°59′46″E / 52.665°N 0.996°E / 52.665; 0.996 (Mattishall Moor)
TG 027 117[283] 		Map Citation This area of calcareous fen and marshy grassland has a rich variety of flora. Black bog-rush, blunt-flowered rush and purple moor-grass are common in the fen areas, and purple moor-grass is also abundant in the grassland, together with other plants such as yellow rattle and marsh pennywort.[284]
Middle Harling Fen Middle Harling Fen Green tickY 11.8 hectares
(29 acres)[285] 		NO Norwich
52°25′44″N 0°55′23″E / 52.429°N 0.923°E / 52.429; 0.923 (Middle Harling Fen)
TL 988 852[285] 		Map Citation This calcareous valley fen has several springs and a wide variety of types of grassland, including both wet and dry communities. There are uncommon flora such as adder's tongue and yellow rattle, and the breeding birds are diverse.[286]
Morston Cliff Morston Cliff Green tickY 1.0 hectare
(2.5 acres)[287] 		YES Wells-next-the-Sea
52°57′25″N 0°57′40″E / 52.957°N 0.961°E / 52.957; 0.961 (Morston Cliff)
TF 990 441[287] 		AONB,[42] GCR,[288] NNR,[289] NT[290] Map Citation This key Pleistocene site has the only interglacial deposit of a raised beach in East Anglia. It is believed to be Ipswichian, dating to around 125,000 years ago, and is overlain by glacial deposits of the late Devensian Hunstanton Till.[291]
Mundesley Cliffs Mundesley Cliffs Green tickY 29.3 hectares
(72 acres)[292] 		YES North Walsham
52°52′08″N 1°27′07″E / 52.869°N 1.452°E / 52.869; 1.452 (Mundesley Cliffs)
TG 324 358[292] 		AONB,[42] GCR[293] Map Citation The cliffs on this site display some of the best marine and freshwater deposits dating to the Cromerian interglacial, and to the early stages of the succeeding Anglian glaciation, which started around 478,000 years ago.[294]
Narborough Railway Embankment Narborough Railway Embankment Green tickY 7.9 hectares
(20 acres)[295] 		PL King's Lynn
52°40′16″N 0°35′35″E / 52.671°N 0.593°E / 52.671; 0.593 (Narborough Railway Embankment)
TF 754 113[295] 		NWT[296] Map Citation This nineteenth-century embankment is probably the most ecologically diverse chalk grassland site in the county, with many flowering plants which attract a wide range of butterflies. There is also a variety of mosses and molluscs.[297]
New Buckenham Common New Buckenham Common Green tickY 20.9 hectares
(52 acres)[298] 		YES Norwich
52°28′30″N 1°04′48″E / 52.475°N 1.080°E / 52.475; 1.080 (New Buckenham Common)
TM 093 908[298] 		NWT[299] Map Citation This unimproved grassland is traditionally managed by grazing. It has the largest colony of green-winged orchids in the county, and there are a stream and pool which have aquatic plants.[300]
North Norfolk Coast North Norfolk Coast Green tickY Green tickY 7,862.3 hectares
(19,428 acres)[301] 		PP King's Lynn
52°58′16″N 0°48′54″E / 52.971°N 0.815°E / 52.971; 0.815 (North Norfolk Coast)
TF 891 452[301] 		AONB,[42] GCR,[302][303] NCR,[304] NNR,[289][305][306][307] NT,[290] NWT,[308][309][310] RSPB,[311] Ramsar,[312] SAC,[313][314] SPA[315] Map Citation This large site has a range of coastal habitats, including the best coastal marshes in Britain and among the finest in Europe. The breeding birds are of international importance, including one twelfth of the world population of sandwich terns and the largest colony in western Europe of little terns.[316]
Old Bodney Camp Old Bodney Camp Green tickY 32.8 hectares
(81 acres)[317] 		NO Thetford
52°33′25″N 0°43′30″E / 52.557°N 0.725°E / 52.557; 0.725 (Old Bodney Camp)
TL 848 990[317] 		SPA[29] Map Citation This area of heath is maintained by rabbit grazing. It has some areas of grassland and others dominated by lichen and moss. There are two nationally rare moths, Noctua orbona and Scopula rubiginata, which are almost confined to the Breckland region.[318]
Old Buckenham Fen Old Buckenham Fen Green tickY 34.5 hectares
(85 acres)[319] 		PP Attleborough
52°29′13″N 1°00′47″E / 52.487°N 1.013°E / 52.487; 1.013 (Old Buckenham Fen)
TM 047 919[319] 		Map Citation This valley fen has cattle grazed wet meadows, species rich reedbeds, a mere and dykes. Flora in wetter areas include ragged robin, marsh thistle and ladies smock.[320]
Ouse Washes Ouse Washes Green tickY 2,513.6 hectares
(6,211 acres)[321] 		PP Ely
52°28′08″N 0°11′31″E / 52.469°N 0.192°E / 52.469; 0.192 (Ouse Washes)
TL 490 879[321] 		GCR,[322] NCR,[323] Ramsar,[324] SAC,[325] SPA,[326] WWT[327] Map[e] Citation The Washes are internationally significant for wintering and breeding wildfowl and waders, especially teal, pintails, wigeons, shovelers, pochards and Bewick's swans. The site also has rich aquatic fauna and flora, and areas of unimproved grassland.[328]
Overstrand Cliffs Overstrand Cliffs Green tickY Green tickY 57.8 hectares
(143 acres)[329] 		YES Cromer
52°55′26″N 1°19′30″E / 52.924°N 1.325°E / 52.924; 1.325 (Overstrand Cliffs)
TG 236 415[329] 		AONB,[42] GCR,[330][331] SAC[332] Map Citation These soft cliffs are subject to falls and slumping, providing a habitat for species associated with disturbance such as the rare beetles Bledius filipes, Harpalus vernalis and Nebria livida. The cliff is geologically important for its succession of Pleistocene glacial exposures.[333]
Paston Great Barn Paston Great Barn Green tickY 1.0 hectare
(2.5 acres)[334] 		NO North Walsham
52°51′29″N 1°26′53″E / 52.858°N 1.448°E / 52.858; 1.448 (Paston Great Barn)
TG 322 345[334] 		AONB,[42] NNR[335] SAC,[336] SM[337] Map Citation This medieval barn has one of the few maternity colonies in Britain of barbastelle bats. This species is listed as a rare and threatened species in the British and European IUCN Red Lists of Threatened Species. The barn also has colonies of several other bats.[338]
Poplar Farm Meadows, Langley Poplar Farm Meadows, Langley Green tickY 7.5 hectares
(19 acres)[339] 		NO Norwich
52°33′54″N 1°29′42″E / 52.565°N 1.495°E / 52.565; 1.495 (Poplar Farm Meadows, Langley)
TG 370 021[339] 		Ramsar,[8] SAC,[9] SPA[10] Map Citation This calcareous fen on the edge of the flood plain of the River Yare is spring-fed. It is managed by light summer grazing and the flora is diverse, with some uncommon species. There are also areas of tall fen and the site is crossed by dykes which have clear spring water and a variety of aquatic plants.[340]
Potter and Scarning Fens, East Dereham Scarning Fen Green tickY 6.2 hectares
(15 acres)[341] 		YES Dereham
52°40′08″N 0°55′48″E / 52.669°N 0.930°E / 52.669; 0.930 (Potter and Scarning Fens, East Dereham)
TF 982 120[341] 		NCR,[342] NWT,[343] SAC[23] Map Citation These are valleys with calcareous fens on peat with an exceptionally diverse flora, including uncommon mosses and liverworts. Insects include the nationally rare small red damselfly.[344]
Potter's Carr, Cranworth Potter's Carr, Cranworth Green tickY 6.3 hectares
(16 acres)[345] 		NO Thetford
52°35′53″N 0°55′19″E / 52.598°N 0.922°E / 52.598; 0.922 (Potter's Carr, Cranworth)
TF 980 040[345] 		Map Citation This area of alder carr and wet pasture is on the bank of the River Blackwater. The diverse flora of the carr is typical of ancient woodland, with plants such as dog's mercury and moschatel. Wintering birds include water rails.[346]
Priory Meadows, Hickling Priory Meadows, Hickling Green tickY 23.9 hectares
(59 acres)[347] 		NO Norwich
52°46′16″N 1°34′44″E / 52.771°N 1.579°E / 52.771; 1.579 (Priory Meadows, Hickling)
TG 415 253[347] 		Ramsar,[8] SAC,[9] SPA[10] Map Citation This grassland on damp and acidic peat soil is managed traditionally, and it has a rich and diverse flora with herbs such as tormentil and marsh cinquefoil. There is also a network of dykes with aquatic plants.[348]
Pulham Market Big Wood Pulham Market Big Wood Green tickY 4.7 hectares
(12 acres)[349] 		YES Diss
52°27′32″N 1°14′38″E / 52.459°N 1.244°E / 52.459; 1.244 (Pulham Market Big Wood)
TM 205 895[349] 		Map Citation This ancient coppice wood on boulder clay is probably the last fragment of a much larger area of woodland. The standard trees are mature pedunculate oaks and the coppice layer is very overgrown. The ground flora is dominated by bramble, honeysuckle and bracken.[350]
Redgrave and Lopham Fens Redgrave and Lopham Fens Green tickY 127.0 hectares
(314 acres)[351] 		YES Diss
52°22′34″N 1°00′04″E / 52.376°N 1.001°E / 52.376; 1.001 (Redgrave and Lopham Fens)
TM 049 796[351] 		NCR,[125] NNR[352] Ramsar[353] SAC,[50] SWT[354] Map[d] Citation This spring-fed valley at the head of the River Waveney has several different types of fen vegetation. There are aquatic plants such as bladderwort, fen pondweed and Charophytes, all of which are indicators of low levels of pollution. The site has the only known British population of fen raft spiders.[355]
Ringstead Downs Ringstead Downs Green tickY 6.9 hectares
(17 acres)[356] 		YES Hunstanton
52°55′52″N 0°30′50″E / 52.931°N 0.514°E / 52.931; 0.514 (Ringstead Downs)
TF 691 400[356] 		AONB,[42] NWT[357] Map Citation This is a dry chalk valley which was carved out by glacial meltwaters. It is species-rich as it has never been ploughed, and it is the largest surviving area of chalk downland surviving in the county. The butterflies are diverse.[358]
River Nar River Nar Green tickY 212.3 hectares
(525 acres)[359] 		PP King's Lynn
52°42′40″N 0°40′55″E / 52.711°N 0.682°E / 52.711; 0.682 (River Nar)
TF 813 160[359] 		Map Citation The upper Nar has 78 river and bankside species of plants, including 5 pondweeds and 8 bryophytes. The lower reaches which flow through a flood plain are more sluggish. The most common fish are brown trout, pike, roach and eel.[360]
River Wensum River Wensum Green tickY 386.0 hectares
(954 acres)[361] 		PP Dereham
52°45′58″N 0°58′01″E / 52.766°N 0.967°E / 52.766; 0.967 (River Wensum)
TG 003 228[361] 		SAC[362] Map Citation This river has been selected by Natural England as an example of an enriched, calcareous lowland river running through a relatively natural corridor. It has a rich invertebrate fauna and more than 100 species of flora. The SSSI also includes two tributaries, the River Tat and the Langor Drain.[363]
Rosie Curston's Meadow, Mattishall Rosie Curston's Meadow Green tickY 2.3 hectares
(5.7 acres)[364] 		NO Dereham
52°40′08″N 1°01′01″E / 52.669°N 1.017°E / 52.669; 1.017 (Rosie Curston's Meadow, Mattishall)
TG 041 122[364] 		Map Citation This unimproved calcareous clay meadow is managed by cattle grazing. It has over sixty grass species and a rich variety of herbs, including green-winged orchid, adder's tongue, bee orchid, twayblade and yellow rattle.[365]
Roydon Common Roydon Common Green tickY 194.9 hectares
(482 acres)[366] 		YES King's Lynn
52°46′23″N 0°29′53″E / 

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