List of longest cave by country

From Wikipedia the free encyclopedia

This list of longest caves by country includes the longest-known natural cave per country. To be listed, the caves must have been surveyed to cave surveying standards, and the results published in reliable sources.

List[edit]

Continent Country System Length coordinates Discovery Associated parks,
protected areas
Africa Algeria Ghar Boumâaza [fr] (Tafna [fr] river) (غار بومعزة) 18.400 km (11.4 mi)[1] 34°42′00″N 1°18′41″W / 34.70000°N 1.31139°W / 34.70000; -1.31139 (Ghar Boumâaza) Parc National de Tlemcen
Africa Angola Gruta do Tchivinguiro 1.230 km (0.8 mi)[2] 15°09′50″S 13°17′50″E / 15.16389°S 13.29722°E / -15.16389; 13.29722 (Tchivinguiro) none
Africa Burundi Grotte de Mugobo 0.090 km (0.1 mi)[3] 03°26′15″S 30°36′15″E / 3.43750°S 30.60417°E / -3.43750; 30.60417 (Grotte de Mugobo) none
Africa Cameroon Gaskin cave 0.450 km (0.3 mi)[4] 4°12′39″N 9°10′41″E / 4.21092°N 9.178°E / 4.21092; 9.178 (Gaskin Cave) (approx.) Mt Cameroon National Park
Africa Chad Bourdout Oumou 0.115 km (0.1 mi)[5] 17°11′N 21°35′E / 17.183°N 21.583°E / 17.183; 21.583 (Bourdout Oumou) -
Africa Comoros Panga Nyamaoui 0.810 km (0.5 mi)[6] 11°24′33.06″S 43°17′04.51″E / 11.4091833°S 43.2845861°E / -11.4091833; 43.2845861 (Panga Nyamaoui) {approx.} none
Africa Congo N'kila N'tari [fr] 1.5 km (0.9 mi)[7] 4°07′13″S 13°51′10″E / 4.120278°S 13.852778°E / -4.120278; 13.852778 (Nkila Ntari) -
Africa Democratic Republic of the Congo Ngovo cave 5.860 km (3.6 mi)[8] 5°18′07″S 14°56′14″E / 5.3019°S 14.9373°E / -5.3019; 14.9373 (Ngovo cave) none
Africa Eswatini (former Swaziland) Gobholo cave 1.099 km (0.7 mi)[9] 26°21′26″S 31°10′10″E / 26.35721°S 31.16932°E / -26.35721; 31.16932 (Gobholo cave) 2012 none
Africa Egypt Sannur Cave 0.275 km (0.2 mi)[10][11] 28°37′23″N 31°17′11″E / 28.62306°N 31.28639°E / 28.62306; 31.28639 (Sannur Cave) none
Africa Equatorial Guinea Cueva Caracas [es] 0.036 km (0.0 mi)[1] 02°09′00″N 11°19′00″E / 2.15000°N 11.31667°E / 2.15000; 11.31667 (Cueva Caracas) 1967 none
Africa Ethiopia Sof Omar Cave (ሶፍ-ዑመር) 15.1 km (9.4 mi)[1] 6°54′22.7″N 40°50′41.6″E / 6.906306°N 40.844889°E / 6.906306; 40.844889 (Sof Omar Cave) 1972 none
Africa Gabon Mbenaltembe Cave 2.4 km (1.5 mi)[12] 2°20′32″S 11°35′20″E / 2.34222°S 11.58889°E / -2.34222; 11.58889 (Mbenaltembe cave) 2008 none
Africa Kenya Leviathan Cave 9.152 km (5.7 mi)[1][13][14] 02°40′48.89″S 37°52′48.86″E / 2.6802472°S 37.8802389°E / -2.6802472; 37.8802389 (Leviathan Cave) 1975 Chyulu Hills
Africa Libya Umm al Masabih(أم المصابيح) 3.593 km (2.2 mi)[15] 32°04′06″N 12°41′40″E / 32.06833°N 12.69444°E / 32.06833; 12.69444 (Umm al Masabih) none
Africa Madagascar Marosakabe cave system 113 km (70.2 mi)[16] 16°27′07″S 45°20′08″E / 16.45189°S 45.33543°E / -16.45189; 45.33543 (Marosakabe cave) 2006 Tsingy de Namoroka Nature Reserve
Africa Morocco Win Timdouine [fr] 19.128 km (11.9 mi)[1] 30°40′49″N 9°20′41″W / 30.68028°N 9.34472°W / 30.68028; -9.34472 (Win Timdouin) none
Africa Mozambique Khodzu (Codzo) Cave 0.942 km (0.6 mi)[17] 18°33′53″S 34°52′00″E / 18.56472°S 34.86666°E / -18.56472; 34.86666 (Khodzu Cave) none
Africa Namibia Arnhem Cave 4.5 km (2.8 mi)[18] 22°42′05″S 18°05′47″E / 22.70138°S 18.09638°E / -22.70138; 18.09638 (Arnhem cave) none
Africa Nigeria Ogbunike Cave 0.350 km (0.2 mi)[19][20] 06°11′11″N 06°54′21″E / 6.18639°N 6.90583°E / 6.18639; 6.90583 (Ogbunike Cave) - none
Africa Rwanda Ubuvumo Bwibihonga 4.530 km (2.8 mi)[21] 01°38′53.2″S 29°22′42.5″E / 1.648111°S 29.378472°E / -1.648111; 29.378472 (Ubuvumo Bwibihonga) - none
Africa South Africa Apocalypse Pothole 12.302 km (7.6 mi) 26°16′11.04″S 27°17′37.38″E / 26.2697333°S 27.2937167°E / -26.2697333; 27.2937167 (Apocalypse Pothole)(approx.) none
Africa Tanzania Nan'goma Cave 7.510 km (4.7 mi)[22] 8°30′41.2″S 38°53′0.7″E / 8.511444°S 38.883528°E / -8.511444; 38.883528 (Nan'goma Cave) none
Africa Tunisia Cave Mine 4.100 km (2.5 mi)[23] 35°56′48.21″N 09°34′45.02″E / 35.9467250°N 9.5791722°E / 35.9467250; 9.5791722 (Cave Mine) none
Africa Uganda Garama cave 0.342 km (0.2 mi)[24] 1°21′24″S 29°37′52″E / 1.35670°S 29.63112°E / -1.35670; 29.63112 (Garama cave) Mgahinga National Park
Africa Zimbabwe Batze Cave 1.037 km (0.6 mi)[8][25] 17°10′02″S 29°11′01″E / 17.1672°S 29.1836°E / -17.1672; 29.1836 (Batze cave) none
Asia Afghanistan Ab Bar Amada cave 1.220 km (0.8 mi)[26] 35°14′45″N 69°10′48″E / 35.245800°N 69.180000°E / 35.245800; 69.180000 (Ab Bar Amada cave) none
Asia Armenia Arjeri qarandzav (Bears cave) 3.500 km (2.2 mi)[27] 39°42′36″N 45°14′38″E / 39.7099028°N 45.243970°E / 39.7099028; 45.243970 (Arjeri qarandzav) - none
Asia Cambodia Roung Dei Ho–Thom Ken 2.036 km (1.3 mi)[28] 10°37′01″N 104°14′34″E / 10.61684°N 104.2429°E / 10.61684; 104.2429 (Roung Dei Ho–Thom Ken) none
Asia China Shuanghedong Cave Network (双河洞) 400.759 km (249.0 mi)[29] 28°14′31″N 107°16′34″E / 28.24199°N 107.27608°E / 28.24199; 107.27608 (Shuanghe Dongqun) 1988 Suiyang Shuanghedong National Geopark
Asia India Krem Liat Prah 31.070 km (19.3 mi)[30] 25°22′27″N 92°32′17″E / 25.37404°N 92.53816°E / 25.37404; 92.53816 (Krem Liat Prah) none
Asia Indonesia Luweng Jaran system 18.200 km (11.3 mi)[31] 8°13′03″S 111°00′23″E / 8.21758°S 111.00625°E / -8.21758; 111.00625 (Luweng Jaran) none
Asia Irak Kuna Kamtiar 5.060 km (3.1 mi)[32][33] 35°21′30.5″N 45°01′26.7″E / 35.358472°N 45.024083°E / 35.358472; 45.024083 (Kuna Kamtiar) none
Asia Iran Katale Khor 12.860 km (8.0 mi)[34] 35°50′08″N 48°09′42″E / 35.83556°N 48.16167°E / 35.83556; 48.16167 (Katale Khor) none
Asia Israel Malcham cave 10 km (6.2 mi)[35][36] 31°07′19″N 35°23′00″E / 31.12194°N 35.38333°E / 31.12194; 35.38333 (Malcham Cave) none
Asia Japan Akkadō (安家洞) 23.7 km (14.7 mi)[37][38] 39°59′1.1″N 141°44′10.05″E / 39.983639°N 141.7361250°E / 39.983639; 141.7361250 (Akkadō) none
Asia Jordan Al-Fahda cave 0.924 km (0.6 mi)[39] 18°25′34″N 7°37′19″E / 18.426°N 7.622°E / 18.426; 7.622 (Al-Fahda cave) none
Asia Kazakhstan Uluchar cave 1.500 km (0.9 mi)[40][41] 42°03′15.69″N 70°05′49.01″E / 42.0543583°N 70.0969472°E / 42.0543583; 70.0969472 (Uluchar cave)(approx.) none
Asia Laos Nam Dôn cave system 42.0 km (26.1 mi)[42] 17°33′45.30″N 104°52′47.36″E / 17.5625833°N 104.8798222°E / 17.5625833; 104.8798222 (Nam Dôn) none
Asia Lebanon Jeita Grotto 10.050 km (6.2 mi)[43] 33°56′38″N 35°38′39″E / 33.9439055°N 35.6441077°E / 33.9439055; 35.6441077 (Feita cave) none
Asia Malaysia Clearwater Cave System (malay:Gua Air Jernih) 255.9 km (159.0 mi)[44][45] 4°03′55″N 114°49′54″E / 4.06529°N 114.83176°E / 4.06529; 114.83176 (Clearwater Cave) 1978 Gunung Mulu National Park
Asia Mongolia Taliin Cave 0.240 km (0.1 mi)[46] 45°35′25.00″N 114°30′02.06″E / 45.5902778°N 114.5005722°E / 45.5902778; 114.5005722 (Taliin Cave) none
Asia Myanmar Som Hein cave 11.000 km (6.8 mi)[47] 21°01′41.73″N 100°07′10.59″E / 21.0282583°N 100.1196083°E / 21.0282583; 100.1196083 (Som Hein cave) none
Asia Nepal Gupteshwor Mahadev Cave (Patale Chango) (गुप्तेश्वर महादेव गुफा) 2.057 km (1.3 mi)[48] 28°11′22″N 83°57′28″E / 28.189552°N 83.957847°E / 28.189552; 83.957847 (Gupteshwor Mahadev Cave) none
Asia Oman Al Hoota Cave 4.5 km (2.8 mi)[49] 23°04′55″N 57°21′17″E / 23.081944°N 57.354722°E / 23.081944; 57.354722 (Al Hoota Cave) none
Asia Pakistan Pir Ghaib Gharr Gharra 1.275 km (0.8 mi)[50] 29°45′36.0″N 67°17′24.0″E / 29.760000°N 67.290000°E / 29.760000; 67.290000 (Pir Ghaib Gharr Gharra) (approx.) none
Asia Philippines St.Pauls Underground River Cave 24.0 km (14.9 mi)[51] 10°11′57.45″N 118°55′34.46″E / 10.1992917°N 118.9262389°E / 10.1992917; 118.9262389 (St Paul) Puerto Princesa Subterranean River National Park
Asia Saudi Arabia Umm Jirsan System 1.481 km (0.9 mi)[52] 25°35′19″N 39°45′25″E / 25.58861°N 39.75694°E / 25.58861; 39.75694 (Umm Jirsan) 2007 -
Asia South Korea Billemotdonggul [kr] 11.749 km (7.3 mi)[53][54] 33°23′15″N 126°24′33″E / 33.3874°N 126.4092°E / 33.3874; 126.4092 (Billemot lava tube) none
Asia Tajikistan Rangkulskaya cave 2.050 km (1.3 mi)[55] 38°26′02″N 74°18′23″E / 38.433930°N 74.306490°E / 38.433930; 74.306490 (Rangkulskaya cave) none
Asia Thailand Tham Phra Wang Daeng 13.7 km (8.5 mi)[56] 16°40′43″N 100°41′15″E / 16.6785254°N 100.687444°E / 16.6785254; 100.687444 (Tham Phra Wang Daeng) none
Asia Turkey Pınargözü Cave 16 km (9.9 mi) [1][57] or 10.5 km (6.5 mi)[58] 37°41′48″N 31°18′27″E / 37.69667°N 31.30750°E / 37.69667; 31.30750 (Pınargözü) none
Asia Turkmenistan Kap-Kutan [sv] (Кап-Кутан) 57 km (35.4 mi)[1] 37°44′00″N 66°26′00″E / 37.73333°N 66.43333°E / 37.73333; 66.43333 (Kap-Kutan) none
Asia Uzbekistan Dark Star (cave) 17.400 km (10.8 mi)[59] 38°23′47″N 67°17′13″E / 38.396389°N 67.286944°E / 38.396389; 67.286944 (Dark Star) 1984
Asia Vietnam Hang Khe Ry cave system 18.900 km (11.7 mi)[1][60] 17°34′52″N 106°16′59″E / 17.5812°N 106.2830°E / 17.5812; 106.2830 (Hang Khe Ry) none
Asia Yemen (Socotra) Giniba cave 13.526 km (8.4 mi)[61][62][63] 12°26′06.5″N 53°56′21.40″E / 12.435139°N 53.9392778°E / 12.435139; 53.9392778 (Giniba cave) none
Caribbean Bahamas Lucayan cave system (Ben's Cave) 10.363 km (6.4 mi)[64] 26°36′20″N 78°24′07″W / 26.60544°N 78.40183°W / 26.60544; -78.40183 (Ben's Cave) Lucayan National Park
Caribbean Belize Chiquibul Cave System 15 km (9.3 mi)[note 1][65] (approx.) 16°39′53″N 89°05′22″W / 16.6645860°N 89.0895238°W / 16.6645860; -89.0895238 (Tun Kul Cave) Chiquibul National Park
Caribbean Cuba Gran Caverna de Palmarito 54 km (33.6 mi)[1] none
Caribbean Haiti Marie-Jeanne cave [fr] 5.3 km (3.3 mi)[66] 18°15′16″N 74°05′39″W / 18.254543°N 74.094270°W / 18.254543; -74.094270 (Grotte Marie-Jeanne) none
Caribbean Jamaica Gourie Cave 3.505 km (2.2 mi)[67] 18°11′40.2″N 77°30′38.4″W / 18.194500°N 77.510667°W / 18.194500; -77.510667 (Gourie cave) none
Caribbean Puerto-Rico Sistema del Rio Encantado 21.770 km (13.5 mi)[1][68] 18°20′37″N 66°31′46″W / 18.34361°N 66.52944°W / 18.34361; -66.52944 (Sistema del Rio Encantado) none
Caribbean Dominican Republic Boca del Infierno (cueva Fun-Fun) 9.3 km (5.8 mi)[69] 18°47′20″N 69°25′11″W / 18.788807°N 69.4195916°W / 18.788807; -69.4195916 (Boca del Infierno) none
Europe Albania Shpella Zeze cave 5.905 km (3.7 mi)[70] 42°21′59″N 19°55′39″E / 42.3663126°N 19.9275093°E / 42.3663126; 19.9275093 (Shpella Zeze cave) - none
Europe Austria Schönberg-Höhlensystem [de] 155.6 km (96.7 mi)[71][72] 47°42′06″N 13°46′20″E / 47.701528°N 13.772333°E / 47.701528; 13.772333 (Schönberg-Höhlensystem) 1976 none
Europe Belgium Caves of Han-sur-Lesse 10.693 km (6.6 mi)[73] 50°07′14″N 5°11′32″E / 50.1206388°N 5.1921683°E / 50.1206388; 5.1921683 (Grotte de Han) - none
Europe Bosnia and Herzegovina Govještica [bs] 9.682 km (6.0 mi)[74] 43°46′30.83″N 18°53′23.44″E / 43.7752306°N 18.8898444°E / 43.7752306; 18.8898444 (Govještica) - none
Europe Bulgaria Duhlata (Духлата) 18.200 km (11.3 mi)[75] 42°29′48″N 23°11′46″E / 42.4966087°N 23.1961941°E / 42.4966087; 23.1961941 (Duhlata) none
Europe Croatia Jamski sustav Kita Gaćešina-Draženova puhaljka [de] 59.030 km (36.7 mi)[76][77] 44°15′N 15°51′E / 44.250°N 15.850°E / 44.250; 15.850 (Jamski sustav Kita Gaćešina-Draženova puhaljka) - none
Europe Czech Republic Amatérská Cave 39.146 km (24.3 mi)[1] 49°22′43″N 16°43′42″E / 49.3785997°N 16.7284358°E / 49.3785997; 16.7284358 (Amatérská jeskyně) - none
Europe Denmark (Greenland) Cove cave 0.103 km (0.1 mi)[78] 80°14′48.24″N 21°57′22.23″W / 80.2467333°N 21.9561750°W / 80.2467333; -21.9561750 (Cove cave) - none
Europe Finland Lohikäärmeen Luola caves 0.300 km (0.2 mi)[79] 60°09′43″N 24°09′43″E / 60.16202°N 24.16202°E / 60.16202; 24.16202 (Lohikäärmeen Luola caves) - none
Europe France Réseau Félix Trombe [fr] 117.2 km (72.8 mi)[80] 42°58′21″N 0°51′59″E / 42.97250°N 0.86639°E / 42.97250; 0.86639 (Réseau Félix Trombe) 1908 none
Europe Georgia Snezhnaya cave system [ru] (Снежная пещера) 24,080 km (14,962.6 mi)[81] 43°15′53″N 40°43′06″E / 43.26472°N 40.71833°E / 43.26472; 40.71833 (Snezhnaya cave system) - none
Europe Germany Riesending cave 23.8 km (14.8 mi)[82][83] 47°41′49″N 12°59′5″E / 47.69694°N 12.98472°E / 47.69694; 12.98472 (Riesending cave) - none
Europe Greece Diros cave [el] 15.400 km (9.6 mi)[84] 36°38′18″N 22°22′50″E / 36.63836°N 22.38066°E / 36.63836; 22.38066 (Diros cave) - none
Europe Hungary Pálvölgyi-Mátyáshegyi System [hu] 31.0 km (19.3 mi)[85] 47°31′58″N 19°00′54″E / 47.5329°N 19.015°E / 47.5329; 19.015 (Pálvölgyi-Mátyáshegyi) - none
Europe Iceland Laufbalavatn 5.013 km (3.1 mi)[86] 63°54′41″N 19°22′42″W / 63.91130°N 19.37835°W / 63.91130; -19.37835 (Laufbalavatn) - none
Europe Ireland Pollnagollum 16 km (9.9 mi)[87] 53°04′38″N 9°15′05″W / 53.07716°N 9.25136°W / 53.07716; -9.25136 (Pollnagollum) - none
Europe Italy Complesso del Monte Canin 83.800 km (52.1 mi)[1][88][89] 46°22′39″N 13°25′46″E / 46.37739°N 13.42947°E / 46.37739; 13.42947 (Complesso del Monte Canin - Abisso Emilio Comici) - none
Europe Kosovo The Cave of the Great Gorge [sq] 08.036 km (5.0 mi)[90][91] 42°39′54.03″N 20°13′51.67″E / 42.6650083°N 20.2310194°E / 42.6650083; 20.2310194 (The Cave of the Great Gorge)(approx) none
Europe Latvia Riežupe sand caves [lv] 0.351 km (0.2 mi)[92] 57°00′24.93″N 21°59′13.53″E / 57.0069250°N 21.9870917°E / 57.0069250; 21.9870917 (Riežupe sand caves) - none
Europe Lithuania Cows Ola cave [lt] 0.046 km (0.0 mi)[93] 56°12′24″N 24°41′40″E / 56.206742°N 24.694461°E / 56.206742; 24.694461 (Karvės Ola cave) - none
Europe North Macedonia Slatinski Izvor cave (Слатински Извор) [mk] 3.932 km (2.4 mi)[94] 41°34′47.86″N 21°12′47.67″E / 41.5799611°N 21.2132417°E / 41.5799611; 21.2132417 (Slatinski Izvor cave) none
Europe Moldavia Zolushka Cave [ro] (Zolușka) 92.080 km (57.2 mi) 48°16′48″N 26°38′01″E / 48.2801152°N 26.6335117°E / 48.2801152; 26.6335117 (Zolushka) none
Europe Montenegro Pećina nad vražjim firovima [sr](Ђаловића пећина) 10.550 km (6.6 mi)[95] 43°04′21″N 19°55′14″E / 43.0726346°N 19.9205968°E / 43.0726346; 19.9205968 (Pećina nad vražjim firovima) - none
Europe Norway Tjoarvekrajgge 25.167 km (15.6 mi)[96] 67°36′35″N 15°41′31″E / 67.60972°N 15.69194°E / 67.60972; 15.69194 (Tjoarvekrajgge) none
Europe Poland Jaskinia Wielka Śnieżna 23.723 km (14.7 mi)[97] 49°14′24″N 19°55′23″E / 49.24000°N 19.92306°E / 49.24000; 19.92306 (Jaskinia Wielka Śnieżna) none
Europe Portugal Gruta do Almonda  [pt] 14 km (8.7 mi)[1] 39°30′17″N 8°36′58″W / 39.50472°N 8.61611°W / 39.50472; -8.61611 (Gruta do Almonda) none
Europe Romania Peștera Vântului 47 km (29.2 mi)[98] 46°56′21″N 22°32′37″E / 46.9392°N 22.5436°E / 46.9392; 22.5436 (Pestera Vantului) - none
Europe Russia Botovskaya  [ru] (Ботовская пещера) 70.414 km (43.8 mi)[99] 55°18′31″N 105°20′36″E / 55.3086°N 105.3434°E / 55.3086; 105.3434 (Botovskaya) - none
Europe Serbia Lazareva Pećina 9.818 km (6.1 mi)[100] 44°01′45″N 21°57′46″E / 44.0293°N 21.9627°E / 44.0293; 21.9627 (Lazareva Pećina) none
Europe Slovakia Demanovsky jaskynny system [cs] 35.116 km (21.8 mi)[101] 49°0′18″N 19°35′13″E / 49.00500°N 19.58694°E / 49.00500; 19.58694 (Demanovsky jaskynny system) none
Europe Slovenia Migovec System 43.009 km (26.7 mi)[102] 46°15′07″N 13°45′50″E / 46.25194°N 13.76389°E / 46.25194; 13.76389 (Migovec System) Triglav National Park
Europe Spain Sistema del Alto Tejuelo 206.714 km (128.4 mi)[103] 43°15′11″N 3°40′51″W / 43.25306°N 3.68079°W / 43.25306; -3.68079 (Sistema del Alto Tejuelo) 1965 none
Europe Sweden Coral Cave 5.0 km (3.1 mi)[104] 64°53′19″N 14°06′39″E / 64.888684°N 14.110749°E / 64.888684; 14.110749 (Coral cave) none
Europe Switzerland Hölloch 210.752 km (131.0 mi)[105][106] 46°58′36″N 8°47′18″E / 46.976670°N 8.788330°E / 46.976670; 8.788330 (Hölloch) 1875 none
Europe Ukraine Optymistychna (Оптимістична) 264.576 km (164.4 mi)[1] 48°44′06″N 25°58′26″E / 48.73494°N 25.97379°E / 48.73494; 25.97379 (Optymistychna) - none
Europe United Kingdom Three Counties System 86.619 km (53.8 mi)[107] 54°12′25″N 2°30′23″W / 54.20699°N 2.506452°W / 54.20699; -2.506452 (Three Counties System) 1966 none
North America Canada Castleguard cave 21.311 km (13.2 mi)[108][109] 52°04′38″N 117°12′48″W / 52.07718°N 117.21322°W / 52.07718; -117.21322 (Castlegard) none
North America Costa Rica Sistema kárstico del Cerro Corredor 3.872 km (2.4 mi)[110][111] 8°40′N 82°55′W / 8.66°N 82.91°W / 8.66; -82.91 (Sistema kárstico del Cerro Corredor) none
North America Honduras Cueva de la Quebrada Susmay 6.690 km (4.2 mi)[112] 14°58′56.24″N 86°02′55.44″W / 14.9822889°N 86.0487333°W / 14.9822889; -86.0487333 (Susmay caves) none
North America Mexico Sistema Ox Bel Ha 435.8 km (270.8 mi)[113][114] 20°09′37″N 87°29′15″W / 20.16028°N 87.48750°W / 20.16028; -87.48750 (Sistema Ox Bel Ha) 1996 none
North America Panama Ol' Bank Underworld Cave 1.146 km (0.7 mi)[115] 9°18′04″N 82°08′14″W / 9.301034°N 82.137244°W / 9.301034; -82.137244 (Ol' Bank Underworld Cave) Isla Bastimentos National Marine Park
North America United States Mammoth Cave 685.6 km (426.0 mi)[1][116][117] 37°11′15″N 86°06′13″W / 37.18758°N 86.10357°W / 37.18758; -86.10357 (Mammoth cave historic entrance) 1791 Mammoth Cave National Park
Oceania Australia Bullita Cave 120.4 km (74.8 mi)[1] 16°03′48″S 130°23′00″E / 16.06333°S 130.38333°E / -16.06333; 130.38333 (Bullita cave) 1990 Gregory National Park
Oceania New Zealand Bulmer Caverns 74.319 km (46.2 mi)[118] 41°33′30″S 172°31′08″E / 41.5583°S 172.5188°E / -41.5583; 172.5188 ("Bulmer Caverns") 1984 none
Oceania Papua New Guinea Mamo Kananda 54.800 km (34.1 mi)[119] 5°36′36″S 142°19′53″E / 5.6100°S 142.3314°E / -5.6100; 142.3314 (Mamo Kananda) none
Oceania Samoa La'auoleola 5 km (3.1 mi)[120] 13°32′11″S 172°31′45″W / 13.53652°S 172.52919°W / -13.53652; -172.52919 (La'auoleola) none
Oceania Vanuatu Kafae Aven 3.702 km (2.3 mi)[121] 15°32′21.27″S 167°00′51.07″E / 15.5392417°S 167.0141861°E / -15.5392417; 167.0141861 (Kafae Aven) none
South America Argentina Caverna del Templo [es] 3.432 km (2.1 mi)[122] 38°36′40″S 70°23′21″W / 38.611111°S 70.389167°W / -38.611111; -70.389167 (Caverna del Templo) none
South America Bolivia Caverna de Umajalanta [es] 4.6 km (2.9 mi)[123] 18°06′52″S 65°48′42″W / 18.1145°S 65.8116°W / -18.1145; -65.8116 (Umajalanta) none
South America Brazil Toca da Boa Vista 114 km (70.8 mi)[124] 10°09′45″S 40°51′35″W / 10.1625251°S 40.8597012°W / -10.1625251; -40.8597012 (Toca da Boa Vista) 1987 none
South America Chile Roiho system 6.350 km (3.9 mi)[125] 27°06′52″S 109°24′12″W / 27.114452°S 109.40324°W / -27.114452; -109.40324 (Roiho system) none
South America Colombia Cueva del Hipocampo 2.021 km (1.3 mi)[126] 6°03′36″N 73°50′24″W / 6.059954°N 73.840134°W / 6.059954; -73.840134 (Cueva del Hipocampo) none
South America Ecuador Systema Sylvana 4.1 km (2.5 mi)[127] 0°37′23″S 90°22′06″W / 0.623017°S 90.368254°W / -0.623017; -90.368254 (Systema Sylvana) Galápagos National Park
South America Peru Tragadero de Parjugsha Grande 4.070 km (2.5 mi)[128] 6°18′05″S 77°44′15″W / 6.30143°S 77.73762°W / -6.30143; -77.73762 (Tragadero de Parjugsha) none
South America Uruguay Grutas of Salamanque 0.300 km (0.2 mi)[129][130] 34°04′42.03″S 54°36′26.42″W / 34.0783417°S 54.6073389°W / -34.0783417; -54.6073389 (Grutas of Salamanque) none
South America Venezuela Cueva del Saman [es] 18.148 km (11.3 mi)[131] 10°47′53″N 72°25′52″W / 10.798°N 72.431°W / 10.798; -72.431 (Cueva del Saman) none

See also[edit]

References[edit]

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Notes[edit]

  1. ^ Several lengths of the network, between 40,50 or 65km are reported by different secondary sources. However, the reference cited there clearly states that the network is split between at least 4 unconnected caves, and the total length of the network cannot be the addition of 4 individual caves.