| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cares |  | 1,200,000,000 | 1,600 | Posada de Valdeón | Deva | 54,000 | 43.3219000000 | -4.6056000000 | Map | ||
| Río Quiviesa |  | Deva | |||||||||
| Río Urdón | Deva | 43.2600833300 | -4.6387305600 | Map |