Cannabis Sativa October 12, 2016October 12, 2016 thcscience_admin River in Rondônia, Brazil São Simão RiverLocationCountryBrazilPhysical characteristicsSource • locationRondônia state Mouth • coordinates12°39′S 63°5′W / 12.650°S 63.083°W / -12.650; -63.083 The São Simão River is a river of Rondônia state in western Brazil. See also[edit] List of rivers of Rondônia References[edit] Brazilian Ministry of Transport