Koyva
Koyva
River
The Koyva (Russian: Койва) is a river in Perm Krai in Russia, a right tributary of the Chusovaya (Kama's basin). The river is 180 kilometres (110 mi) long, and its drainage basin covers 2,250 square kilometres (870 sq mi).[1] It starts on the western slope of the Ural Mountains, on the slopes of Mount Bolshaya Khmelikha. Its mouth is near the settlement Ust-Koyva, 66 kilometres (41 mi) from the mouth of the Chusovaya River. It is a mountain river with many rapids and shoals.
It was along the Koyva that the first ever diamonds were found in 1829 in Russia. There are urban-type settlement Tyoplaya Gora situated by the river.
Main tributaries:
- Left: Tiskos, Tyrym, Olkhovka;
- Right: Biser, Kusya.
