| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Perlovska |  | 257,000,000 | Iskar | 31,000 | 42.6733333333 | 23.3094444444 | Map | ||||
| Vitoshka Bistritsa |  | Vitosha | Iskar | 12,100 | 42.5750000000 | 23.3408333333 | Map | ||||
| Palakaria | 2 | 402,000,000 | Vitosha | Iskar | 39 | 42.4166700000 | 23.5333300000 | Map | |||
| Batulijska reka |  | 3 | 256,000,000 | Iskar | 40,200 | 42.8972000000 | 23.3897000000 | Map | |||
| Beli Iskr (vattendrag) |  | 91,000,000 | Rila | Iskar | 28,000 | 42.2886000000 | 23.5347000000 | Map |