| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| L'Assomption River |  | 4,220,000,000 | Rivière des Prairies | 200,000 | 46.4578222222 | -74.0426083333 | Map | ||||
| Rivière des Mille Îles |  | 1,018,000,000 | Lake of two mountains | Rivière des Prairies | 42,000 | 45.6991666667 | -73.5291666667 | Map |