| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Kojełga (rzeka) | 1,040,000,000 | Ouvelka | 59,000 | 54.9380000000 | 60.3362500000 | Map | |||||
| Kumlyak | 396,000,000 | Ouvelka | 30,000 | 54.5220450000 | 60.4744990000 | Map | |||||
| Karasu | 154,000,000 | Ouvelka | 23,000 | 54.5620750000 | 60.5514970000 | Map | |||||
| Kabanka | 933,000,000 | Ouvelka | 85,000 | 54.0794444500 | 61.5769444500 | Map | |||||
| Sukharysh | 465,000,000 | Ouvelka | 43,000 | 54.8630000000 | 60.7942000000 | Map |