| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pilmaiquén River | Puyehue lake | Bueno River | 68,000 | -40.1260700000 | -71.9769300000 | Map | |||||
| Llollelhue River | Bueno River | 95,000 | -40.3323000000 | -73.1130800000 | Map | ||||||
| Rahue River |  | 6,510,000,128 | Rupanco Lake | Bueno River | 120,000 | -40.7888888889 | -72.6882222222 | Map |