| Longueur (Km) | Débit (m3/s) | Affluent | % Correct |
|---|---|---|---|
| 380.2 | 233 | Tarn | 97%
|
| 485 | 155 | Lot | 94%
|
| 163.2 | 76.4 | Ariège | 79%
|
| 175.4 | 7.06 | Gers | 74%
|
| 187.7 | 21 | Baïse | 47%
|
| 148.4 | 6.32 | Save | 29%
|
| 73.1 | 19.4 | Neste | 18%
|
| 132.4 | 6.03 | Dropt | 16%
|
| 137.5 | 3.02 | Gimone | 16%
|
| 74.5 | 42.5 | Salat | 16%
|
| 131 | 2.7 | Arrats | 13%
|
| 83.8 | 5.31 | Arize | 12%
|
| 100 | 6.14 | Louge | 9%
|