Rio dos Sinos is a river in the state of Rio Grande do Sul, southern Brazil. It rises in the hills east of Caraá ( away from Porto Alegre) at elevations above and covers a distance of about , flowing into the delta Jacuí in Canoas, at an elevation of only .
The river basin contains the São Francisco de Paula National Forest, a sustainable use conservation area created in 1968.
See also List of rivers of Rio Grande do Sul
References
Brazilian Ministry of Transport