| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lostine River |  | Wallowa River | 51,000 | 45.5519000000 | -117.4910000000 | Map | |||||
| Minam River |  | 619,007,104 | Wallowa River | 82,000 | 45.6214000000 | -117.7210000000 | Map |