| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cautín River |  | Lonquimay | Imperial River | 174,000 | -38.7533333333 | -72.9805555556 | Map | ||||
| Cholchol River | Lumaco River | Imperial River | 70,000 | -38.7522222222 | -72.9783333333 | Map |