| Jacaré-Guaçu River | |
|---|---|
| Native name | Rio Jacaré-Guaçu |
| Country | Brazil |
| State | São Paulo |
| Basin features | |
| River mouth | 21°50′56″S 48°55′59″W / 21.848889°S 48.933056°WCoordinates: 21°50′56″S 48°55′59″W / 21.848889°S 48.933056°W |
| River system | Tietê River |
| Basin size | 4161 |
| Waterbodies | Santana Dam |
The Jacaré-Guaçu River is a river of São Paulo state in southeastern Brazil. It flows into the Tietê River near Ibitinga.
The river separates the municipalities of Brotas and São Carlos. The Santana Dam creates a reservoir on the river covering 74.80 hectares (184.8 acres). The Mata do Jacaré Ecological Station lies along the south shore of the reservoir.