Visherka

The Visherka (Вишерка) is a river in Perm Krai, Russia, a right tributary of the Kolva. It is 75 km long, and its drainage basin covers 3230 km2. It flows out of Lake Chusovskoye in the north of the Cherdynsky District near its border with the Komi Republic. Its mouth is upstream of the uninhabited village of Bogatyryovo, 124 km from the mouth of the Kolva. Its most significant tributaries are:
 * Left: Larevka, Volim;
 * Right: Shchugor