| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Viège de Zermatt |  | 487,000,000 | 1,640 | Vispa | 28,600 | 46.2308333300 | 7.8723055600 | Map | |||
| Viège de Saas |  | 256,000,000 | 2,030 | Vispa | 25,000 | 46.2308333300 | 7.8723055600 | Map |