| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Little Nahanni River | South Nahanni River | 70,000 | 62.4761660000 | -128.6262700000 | Map | ||||||
| Flat River (South Nahanni River) | South Nahanni River | 220,000 | 61.5347250000 | -125.3370380000 | Map |