| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Luy de France |  | Luy | 154,500 | 43.6322222200 | -0.7705555600 | Map | |||||
| Bassecq | 50 | Luy | 16,100 | ||||||||
| Moncrabeau |  | 90 | Luy | 10,600 | |||||||
| Grand Arrigan | Luy | 23,500 | 43.6602777800 | -0.9827777800 | Map | ||||||
| Larritou | Luy | 15,100 |