| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Río Algás |  | Matarranya | 50,000 | 41.2119450000 | 0.2613830000 | Map | |||||
| Río Tastavins | Peñarroya de Tastavins | Matarranya | 33,000 | 40.8915000000 | 0.1099000000 | Map | |||||
| Río Pena | Matarranya | 40.8629180000 | 0.1547690000 | Map |