| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Auzoue |  | 283,000,000 | Bassoues | Gélise | 74,200 | 44.0566666700 | 0.2461111100 | Map | |||
| Gueyze | Gélise | 17,700 | 44.0877777778 | 0.1022222222 | Map | ||||||
| Izaute | Gélise | 37,500 | 43.9963888889 | 0.1258333333 | Map | ||||||
| Osse (river) |  | 600,000,000 | Gélise | 120,300 | 44.1211111100 | 0.2802777800 | Map | ||||
| Rimbez | Gélise | 16,400 |