Did you mean: Bystritskaya-Nadvirna River
Bystrytsya-Nadvirnyans'ka River
River in Ukraine
Bystrytsia of Nadvirna is a river in Ivano-Frankivsk Oblast of western Ukraine. It joins the Bystrytsia of Solotvyn just north of Ivano-Frankivsk creating the Bystrytsia River.
It originates on the northern slopes of Black Kleva mountain. Its... Wikipedia