Bystrytsia River [Bystrycja]. (Map: Bystrytsia River). A small right-bank tributary of the Dniester River in Ivano-Frankivske oblast. It is formed from the confluence of the Bystrytsia Nadvirnianska River and the Bystrytsia Solotvynska River. The river is 17 km long; its basin covers an area of 2,520 sq km.