Łutownia

The Łutownia (Belarusian: Лутоўня), in northeast Poland, is a left-bank tributary of the Narewka River. It was formerly known in Polish as the Łętownia, Lętownia , Łotownia , Łutownica , Latownica , Lutownia , and Szczekotówka River.

The Łutownia flows through the European region known as the Wysoczyzny Podlasko – Bialoruskie (Podlasie-Belarus Plateau) in Poland's Podlasie Province and Belarus' Hrodna Voblast. The river, from its origin to its mouth, flows through the Białowieża Forest.

Villages:
 * Nowosady/Zwodzieckie
 * Teremiski

Main tributaries (right bank):
 * Dubinka
 * Krynica