kurzyniec lock (), kuzhyniec lock () - fifteenth lock on the augustów canal (from the biebrza) in the administrative district of gmina płaska, within augustów county, podlaskie voivodeship, in north-eastern poland, and the border with belarus runs down the center line of the lock. it lies approximately east of płaska, east of augustów, and north of the regional capital białystok. the polish-belarus border runs along the axis and this lock on the canal for a length of 3.5 km.