The Narewka is a more than 60 km long tributary of the Narew in the northeast Poland in the voivodeship Podlaskie and Belarus. It is very popular with canoeists and anglers.
Run
The Narewka rises in at Dziki Nikor and flows westward to the Narew where it joins Hajnówka flows out. It flows through the Białowieża Primeval Forest, the part of which that lies south of the river, as Białowieża National Park is protected.