| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Achibueno River |  | Loncomilla River | 105,000 | -35.8785833333 | -71.6347222222 | Map | |||||
| Longaví River | Andes | Loncomilla River | 120,000 | -36.0547888889 | -71.7057000000 | Map | |||||
| Perquilauquén River | Loncomilla River | 190,000 | -35.8298500000 | -71.8225500000 | Map | ||||||
| Putagán River | Loncomilla River | -35.7719305556 | -71.6644194444 | Map |