| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Polcura River |  | Andes | Laja River | -37.3302777778 | -71.5491666667 | Map | |||||
| Rucue River | Andes | Laja River | -37.3000000000 | -71.9500000000 | Map |