The Supraśl is a more than 100 km long tributary of the Narew in the northeast Poland in the voivodeship Podlaskie. It is very popular with canoeists and anglers.
Run
The Nurzec rises in the marshland to the northeast of Białystok and flows in a northerly arc to the Knyszyn Heath to the Narew where they at Choroszcz flows out. On the way she takes the water from, among other things, the Sokołda, Płoska and the Biała on.
places
The Nurzec flows through: