Kolva (Perm Krai)
The Kolva (Russian: Колва) is a river in Perm Krai, Russia, right tributary of the Vishera of the Kama basin. The river is 460 kilometres (290 mi) long, and its drainage basin covers 13,500 square kilometres (5,200 sq mi). It starts on southeastern slope of mount Kolvinsky Kamen, in northeastern portion of Perm Krai, near the border with Komi Republic. Its mouth is near the town of Cherdyn.
| Kolva | |
|---|---|
Scheme of the Kama River Basin. | |
| Location | |
| Country | Russia |
| Physical characteristics | |
| Source | |
| • location | North Ural |
| Mouth | Vishera |
• coordinates | 60°21′56″N 56°33′11″E |
| Length | 460 km (290 mi) |
| Basin size | 13,500 km2 (5,200 sq mi) |
| Discharge | |
| • average | 457 m3/s (16,100 cu ft/s) |
| Basin features | |
| Progression | Vishera→ Kama→ Volga→ Caspian Sea |
The Kolva freezes up in early November and stays under the ice until late April or early May. The river is navigable within 200 to 250 kilometres (120 to 160 mi) of its estuary during the high-water season. The town of Cherdyn is along on the Kolva.
Main tributaries (from source to mouth):
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