Caru River River in BrazilCaru RiverCaru RiverLocationCountryBrazilPhysical characteristicsSource • locationMaranhão state The Caru River is a river of Maranhão state in northeastern Brazil. See also[edit] List of rivers of Maranhão References[edit] Brazilian Ministry of Transport This article related to a river in Maranhão, Brazil is a stub. You can help Wikipedia by expanding it.vte