| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Brzeźnica (dopływ Prosny) | Prosna | 12,660 | 51.3258333300 | 18.1641666700 | Map | ||||||
| Ołobok (dopływ Prosny) |  | 448,000,000 | Prosna | 39,840 | 51.7795560000 | 17.7693330000 | Map | ||||
| Piwonia (dopływ Prosny) | 14,140,000 | Prosna | 6,490 | 51.7230555600 | 18.1066666700 | Map | |||||
| Trojanówka (rzeka) |  | 476,100,000 | Prosna | 51.7330555600 | 18.1119444400 | Map | |||||
| Trzemna |  | Prosna | 51.9997220000 | 17.9455560000 | Map |