Bystrytsia Tysmenska River [Бистриця Тисменська; Bystrycja Tysmenska] or the Bystrytsia River. (Map: Bystrytsia Tysmenska River.) A right-bank tributary in Lviv oblast of the upper Dnister River. It is 72 km long and has a basin area of 1,160 sq km. The river flows through the High Beskyd mountains.

[This article originally appeared in the Encyclopedia of Ukraine, vol. 1 (1984).]