| Tainhas River | |
|---|---|
|
Passo do "S"
|
|
| Native name | Rio Tainhas |
| Country | Brazil |
| Basin features | |
| River mouth | 28°48′43″S 50°36′15″W / 28.811888°S 50.604302°WCoordinates: 28°48′43″S 50°36′15″W / 28.811888°S 50.604302°W |
| River system | Das Antas River. |
Rio Tainhas (Portuguese: Rio Tainhas) is a river in the state of Rio Grande do Sul, Brazil. It is a left tributary of the Das Antas River
Part of the course of the river, including the Cachoeira do Passo do S, a waterfall, is protected by the 6,655 hectares (16,440 acres) Tainhas State Park, created in 1975.