| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pasayten River | Similkameen River | 36,000 | 49.1569000000 | -120.5810000000 | Map | ||||||
| Tulameen River |  | Similkameen River | 76,000 | 49.4666666667 | -120.5000000000 | Map |