| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aller (Asturian river) |  | 280,000,000 | Caudal | 42,000 | 43.1978403000 | -5.7894559000 | Map | ||||
| Río Lena (Asturias) | Caudal | 32,000 | 43.1215555556 | -5.8170555556 | Map |