Okanogan River Okanagan River | |
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![]() Map of the Okanogan River, tributary of the Columbia River | |
Location | |
Countries | Canada United States |
State | Washington |
Province | British Columbia |
Cities | Penticton, BC Omak, WA |
Physical characteristics | |
Source | Okanagan Lake |
• location | Penticton, British Columbia, Canada |
• coordinates | 49°30′13″N 119°36′42″W / 49.50361°N 119.61167°W[1] |
• elevation | 1,122 ft (342 m)[2] |
Mouth | Columbia River |
• location | Brewster, Washington, United States |
• coordinates | 48°5′54″N 119°44′3″W / 48.09833°N 119.73417°W[3] |
• elevation | 781 ft (238 m)[4] |
Length | 115 mi (185 km)[5] |
Basin size | 8,200 sq mi (21,000 km2)[6] |
Discharge | |
• location | Malott, WA[7] |
• average | 3,039 cu ft/s (86.1 m3/s)[8] |
• minimum | 288 cu ft/s (8.2 m3/s) |
• maximum | 45,600 cu ft/s (1,290 m3/s) |
Basin features | |
Tributaries | |
• right | Similkameen River |
The Okanogan River (known as the Okanagan River in Canada) is a tributary of the Columbia River, approximately 115 mi (185 km) long, in southern British Columbia and north central Washington. It drains a scenic plateau region called the Okanagan Country east of the Cascade Range and north and west of the Columbia, and also the Okanagan region of British Columbia.[9] The Canadian portion of the river has been channelized since the mid-1950s.
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