| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Río Sorrosal |  | Ara | 42.6034888889 | -0.1238250000 | Map | ||||||
| Río Forcos |  | Ara | 42.5365027778 | -0.1425194444 | Map | ||||||
| Chate River |  | Ara | 42.5565916667 | -0.1214944444 | Map | ||||||
| Río Arazas |  | Ara | 15,000 | 42.6537600000 | -0.1027000000 | Map |