Eiru RiverLocationCountryBrazilPhysical characteristicsSource • locationAmazonas state Eiru River is a river of Amazonas state in northwestern Brazil. See alsoSee also List of rivers of Amazonas ReferencesReferences Brazilian Ministry of Transport 6°41′30″S 69°50′22″W / 6.69167°S 69.83944°W / -6.69167; -69.83944