| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Bully Creek (Malheur River tributary) |  | 1,556,582,784 | Malheur River | 100,000 | 43.9750000000 | -117.2400000000 | Map | ||||
| North Fork Malheur River | 1,424,493,440 | Malheur River | 95,000 | 43.7569000000 | -118.0610000000 | Map | |||||
| Willow Creek (Malheur River tributary) | 2,038,320,512 | Malheur River | 92,000 | 43.9872000000 | -117.2310000000 | Map | |||||
| South Fork Malheur River | Malheur River | 43.5563888900 | -118.1666666700 | Map |