| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Olym |  | 7 | 3,089,999,872 | Bystraya Sosna River | 151,000 | 52.4351940000 | 38.0412780000 | Map | |||
| Bol'shaya Chernava | 679,000,000 | Bystraya Sosna River | 54,000 | 52.7291666667 | 37.7272222222 | Map | |||||
| Vorgol |  | 706,000,000 | Bystraya Sosna River | 64,000 | 52.7035000000 | 37.9757000000 | Map | ||||
| Yelchik River |  | 142,000,000 | Bystraya Sosna River | 25,000 | 52.7652690000 | 38.3447620000 | Map | ||||
| Kshen | 2,320,000,000 | Bystraya Sosna River | 135,000 | 51.6574444444 | 37.3085277778 | Map |