| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stêr Goanez | Aulne | 24,000 | 48.1791666700 | -3.8977777800 | Map | ||||||
| Doufine |  | 138,000,000 | Aulne | 26,000 | 48.2472222200 | -4.1097222200 | Map | ||||
| Éllez |  | 138,000,000 | 300 | Aulne | 27,300 | 48.2758333300 | -3.6933333300 | Map | |||
| L'Hyères |  | 526,000,000 | Aulne | 48,400 | 48.2188888900 | -3.7036111100 | Map | ||||
| Rivière d27Argent (Bretagne) | Aulne | 18,000 | 48.3616666667 | -3.7544444444 | Map |