| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cauquenes River | Perquilauquén River | -35.8836111111 | -72.0363888889 | Map | |||||||
| Purapel River |  | Perquilauquén River | -35.8211111111 | -71.9783333333 | Map |