| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Conroy |  | Orne | 20,000 | 49.2536111111 | 6.0436111111 | Map | |||||
| Ruisseau de Vaux | 42,300,000 | Orne | 13,900 | 49.2267500000 | 5.6184500000 | Map | |||||
| Woigot |  | 85,000,000 | 307 | Orne | 20,700 | 49.2650000000 | 5.9230555556 | Map | |||
| Yron | 383,000,000 | Orne | 37,400 | 49.1672222200 | 5.8622222200 | Map | |||||
| Ruisseau d'Eix |  | 310 | Orne | 15,100 | 49.1869800000 | 5.6556400000 | Map |