| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| House of Guise | Merlata | 40,000 | 45.6624972222 | 9.0869916667 | Map | ||||||
| Río Nirone | 0 | Merlata | 24,000 | 45.5934083333 | 9.0836527778 | Map |