| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Marañón River |  | 17 | 358,000,001,024 | 4,964 | Ucayali River | 1,737,000 | -10.3100000000 | -76.6554000000 | Map | ||
| Pachitea River | Ucayali River | 393,000 | -8.7708333333 | -74.5313888889 | Map | ||||||
| Tambo River (Peru) |  | 134,999,998,464 | Ucayali River | 159,000 | -10.7069444400 | -73.7608333300 | Map | ||||
| Urubamba River |  | 60,300,001,280 | Ucayali River | 724,000 | -11.5544444444 | -73.1485833333 | Map | ||||
| Pacaya River | Ucayali River | 400,000 |