| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Neuquén River |  | 308 | 50,773,999,616 | 2,300 | Río Negro | 420,000 | -38.9939320000 | -68.0019660000 | Map | ||
| Gutiérrez River | Gutiérrez lake | Río Negro | 4,000 | ||||||||
| Limay River |  | 700 | 61,723,000,832 | 764 | Nahuel huapi lake | Río Negro | 500,000 | -41.0555555556 | -71.1516666667 | Map |