| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dyle (river) |  | 1,288,999,936 | 145 | Houtain-le-Val | Rupel | 86,000 | 51.0666666667 | 4.4166666667 | Map | ||
| Nete (river) |  | Rupel | 76,000 | 51.1313888889 | 4.5811111111 | Map |