Tumiã River From Wikipedia the free encyclopedia River in BrazilTumiã RiverLocationCountryBrazilPhysical characteristicsSource • locationAmazonas state Mouth • coordinates7°40′S 66°10′W / 7.667°S 66.167°W / -7.667; -66.167 Tumiã 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