| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Biała (Supraśl) |  | 133,369,992 | 168 | Suprasl | 29,900 | 53.1783000000 | 23.0272000000 | Map | |||
| Płoska |  | 216,000,000 | Suprasl | 23,600 | 53.1939000000 | 23.4079000000 | Map | ||||
| Sokołda (river) |  | 464,000,000 | 167 | Suprasl | 93,800 | 53.2031000000 | 23.4529000000 | Map |