| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Byrzej | 245,000,000 | Charmanlijska reka | 29,000 | ||||||||
| Chaskowska reka | 179,000,000 | Charmanlijska reka | 45,000 | 41.9000000000 | 25.7166700000 | Map | |||||
| Uzundżowska reka | 81,000,000 | Charmanlijska reka | 21,000 | 41.9272000000 | 25.8169000000 | Map |