| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fénix Grande River | Cerro Ap Iwan | Deseado River | 55,000 | -46.6126900000 | -70.8594600000 | Map | |||||
| Pinturas River |  | 2,743 | Deseado River | 150,000 | -46.5830000000 | -70.3000000000 | Map |