| Lock Name: | Sosnówek Lock |
| Waterway: | Augustów Canal |
| State: | Podlaskie |
| County: | Augustów |
| Operation: | Manual |
| Maint: | RZGW |
| First: | 1828 |
| Length: | 44.41NaN1 |
| Width: | 6.11NaN1 |
| Fall: | 2.981NaN1 |
| Enda: | Biebrza River |
| Distenda: | 70.31NaN1 |
| Endb: | Niemen River |
| Distendb: | 30.91NaN1 |
| Coordinates: | 53.8914°N 23.4132°W |
Sosnówek Lock - the twelfth lock on the Augustów Canal (from the Biebrza). It combines artificial part of the canal with a section running through the Black Hancza.Built in 1828 by Lt. Eng. Konstantin Jodko.