Okanogan River
| Okanogan River | |
| Okanagan River | |
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| Countries | Canada, United States |
|---|---|
| State | Washington |
| Province | British Columbia |
| Tributaries | |
| - right | Similkameen River |
| Cities | Kelowna, BC, Penticton, BC, Vernon, BC, Omak, WA |
| Source | Okanagan Lake |
| - elevation | 2,650 ft (808 m) |
| - coordinates | 49°30′13″N 119°36′42″W / 49.50361°N 119.61167°W |
| Mouth | Columbia River |
| - location | Brewster, Washington, United States |
| - elevation | 781 ft (238 m) |
| - coordinates | 48°5′54″N 119°44′3″W / 48.09833°N 119.73417°WCoordinates: 48°5′54″N 119°44′3″W / 48.09833°N 119.73417°W |
| Length | 115 mi (185 km) |
| Basin | 8,200 sq mi (21,238 km2) |
| Discharge | for Malott, WA |
| - average | 3,039 cu ft/s (86 m3/s) |
| - max | 45,600 cu ft/s (1,291 m3/s) |
| - min | 288 cu ft/s (8 m3/s) |
 Map of the Okanogan River, tributary of the Columbia River.
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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. The Canadian portion of the river has been channelized since the mid-1950s.
The Okanagan River rises in southern British Columbia, issuing out of the southern end of Okanagan Lake, which is on the north side of the city of Penticton. It flows south past Penticton, through Skaha Lake, past Okanagan Falls, through Vaseux Lake, and past Oliver to Osoyoos and Osoyoos Lake, which spans the Canada–United States border and has its outlet into the Okanogan River at Oroville, on the southern shore of the lake, in Okanogan County. At the border the river's name (and the region and also the name of the Okanagan Highland) changes spelling from Okanagan to Okanogan. Average annual flow of the river at this point is 643 cfs (18.2 m³/s).
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