Rio dos Sinos

Rio dos Sinos is a river in the state of Rio Grande do Sul, southern Brazil. It rises in the hills east of Caraá (130 km away from Porto Alegre) at elevations above 600 m and covers a distance of about 190 km, flowing into the delta Jacuí in Canoas, at an elevation of only 5 m.

The river basin contains the São Francisco de Paula National Forest, a 1616 ha sustainable use conservation area created in 1968.