| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Groblica (dopływ Drwęcy) |  | Drwęca | 9,170 | ||||||||
| Brynica (dopływ Drwęcy) | 290,000,000 | Drwęca | 23,100 | 53.2830555600 | 19.5625000000 | Map | |||||
| Gizela (rzeka) | 70,400,000 | Drwęca | 19,580 | 53.6172220000 | 19.7383330000 | Map | |||||
| Grabiczek | 139,500,000 | Drwęca | 25,640 | ||||||||
| Iławka |  | Drwęca | 46,310 | 53.5292472200 | 19.6844833300 | Map |