Tupana River From Wikipedia the free encyclopedia River in BrazilTupana RiverLocationCountryBrazilPhysical characteristicsSource • locationAmazonas state Tupana 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 4°24′24″S 60°05′06″W / 4.40667°S 60.08500°W / -4.40667; -60.08500 This article related to a river in the Brazilian state of Amazonas is a stub. You can help Wikipedia by expanding it.vte