Cannabis Indica October 12, 2016October 12, 2016 thcscience_admin River in BrazilUrucu RiverUrucu River center-left (west of Manaus)LocationCountryBrazilPhysical characteristicsSource • locationAmazonas state Mouth • coordinates4°12′S 63°38′W / 4.200°S 63.633°W / -4.200; -63.633 Urucu River is a southern tributary of the Amazon River (Solimões section) in the Amazonas state in north-western Brazil. See also[edit] List of rivers of Amazonas References[edit] Brazilian Ministry of Transport