| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lathan | Authion | 57,900 | 47.3980555600 | -0.1961111100 | Map | ||||||
| Lane (Authion) | Authion | 28,000 | 47.2652778600 | 0.0527777800 | Map | ||||||
| Le Couasnon | 266,000,000 | 84 | Authion | 34,800 | 47.4494444400 | -0.2811111100 | Map |