| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Beaver River (Severn River tributary) | Severn River (northern Ontario) | 55.9225000000 | -87.8133000000 | Map | |||||||
| Fawn River (Ontario) | Severn River (northern Ontario) | 330,000 | 55.3616666667 | -88.3297222222 | Map | ||||||
| Sachigo River | Severn River (northern Ontario) | 380,000 | 55.0758000000 | -88.9839000000 | Map | ||||||
| Windigo River | 10,800,000,000 | 280 | Severn River (northern Ontario) | 100,000 | 53.3555720000 | -91.8019580000 | Map | ||||
| Fox River (Kenora District) | Severn River (northern Ontario) | 52.2003000000 | -92.1092000000 | Map |