Oklan
| Oklan Оклан / Ыӄлан | |
|---|---|
| Mouth location in Kamchatka Krai | |
| Location | |
| Country | Russia | 
| Federal subject | Kamchatka Krai | 
| District | Penzhinsky District | 
| Physical characteristics | |
| Source | |
| • location | Ichigem Range Koryak Highlands | 
| • coordinates | 63°34′36″N 163°43′03″E / 63.57667°N 163.71750°E | 
| • elevation | 540 metres (1,770 ft) | 
| Mouth | Penzhina | 
|  • coordinates | 62°33′11″N 166°32′50″E / 62.55306°N 166.54722°E | 
|  • elevation | 23 metres (75 ft) | 
| Length | 272 km (169 mi) | 
| Basin size | 12,600 km2 (4,900 sq mi) | 
| Discharge | |
| • average | 138 m3/s (4,900 cu ft/s) | 
The Oklan (Russian: Оклан; Koryak: Ыӄлан) is a river in Kamchatka Krai, Russia. The length of the river is 272 kilometres (169 mi) and the area of is drainage basin 12,600 square kilometres (4,900 sq mi). It is the second most important tributary of the Penzhina after the Belaya.
The name of the river comes from the Koryak "yalan" (Ыӄлан), meaning "icy way".