| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Plava |  | 1,880,000,000 | Upa River | 89,000 | 53.4724790000 | 37.4902030000 | Map | ||||
| Toelitsa (rivier) |  | 285,000,000 | Upa River | 41,000 | 54.2013900000 | 37.6209720000 | Map | ||||
| Mizgeya |  | 561,000,000 | Upa River | 43,000 | 53.7947611111 | 36.7847611111 | Map | ||||
| Skomoroshka | Upa River | 11,000 | 53.9365360000 | 37.7870900000 | Map | ||||||
| Sazhenka | 57,200,000 | Upa River | 15,000 | 53.9105280000 | 36.8435300000 | Map |