| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Caussels | Tarn | 17,900 | |||||||||
| Aveyron (river) |  | 57 | 5,299,999,744 | 735 | Tarn | 291,000 | 44.0871970000 | 1.2665950000 | Gorges de l27Aveyron | Map | |
| Briançon | 25,000,000 | 1,250 | Tarn | 9,900 | |||||||
| Cernon |  | 220,000,000 | Tarn | 30,400 | 44.0825000000 | 2.9866666700 | Map | ||||
| Dourbie |  | 568,000,000 | 1,301 | Tarn | 72,000 | 43.7844444444 | 1.6836111111 | Map |