| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lemhi River |  | 3,149,425,408 | Salmon River | 97,000 | 45.1881000000 | -113.9060000000 | Map | ||||
| Little Salmon River |  | 1,491,833,088 | Salmon River | 45.4167000000 | -116.3150000000 | Map | |||||
| Middle Fork Salmon River |  | Salmon River | 45.2972000000 | -114.5930000000 | Map | ||||||
| North Fork Salmon River | 546,487,488 | Salmon River | 39,000 | 45.4053000000 | -113.9950000000 | Map | |||||
| Pahsimeroi River | 2,141,920,128 | Salmon River | 95,000 | 44.6919000000 | -114.0490000000 | Map |