Cachoeira Grande is a municipality in the state of Maranhão in the Northeast region of Brazil.
2°55′37″S 44°03′28″W / 2.92694°S 44.0578°W / -2.92694; -44.0578
The municipality lies in the Munim River basin. The municipality contains part of the 1,535,310-hectare (3,793,800-acre) Upaon-Açu/Miritiba/Alto Preguiças Environmental Protection Area, created in 1992.
Source: Wikipedia — Cachoeira Grande