Visherka
The Visherka is a river in Perm Krai, Russia, a :wikt:right bank|right tributary of the Kolva. It is long, and its drainage basin covers. 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, from the mouth of the Kolva. Its most significant tributaries are:
