Arrojo River From Wikipedia the free encyclopedia River in BrazilArrojo RiverLocationCountryBrazilPhysical characteristicsSource • locationAmazonas state Mouth • coordinates5°53′S 72°7′W / 5.883°S 72.117°W / -5.883; -72.117 Arrojo River is a river of Amazonas state in north-western Brazil. See also[edit] List of rivers of Amazonas References[edit] Brazilian Ministry of Transport This article related to a river in the Brazilian state of Amazonas is a stub. You can help Wikipedia by expanding it.vte