| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Toulnustouc River | 11,111,000,064 | Manicouagan River | 253,000 | 49.5936111100 | -68.3933333300 | Map | |||||
| Rivière Mouchalagane | 3,263,000,064 | Manicouagan River | 132,000 | 51.6080555556 | -69.1163888889 | Map | |||||
| Rivière Seignelay | Manicouagan River | 132,000 | 51.6136110000 | -69.0652780000 | Map |