Okanogan River
Tributary in Washington State
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The Okanogan River is a tributary of the Columbia River, approximately 115 mi 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... Wikipedia
Source: Okanagan Lake
Mouth: Columbia River
Length: 115 mi
Discharge: 3,039 ft³/s
Basin size: 8,200 sq mi (21,000 km2)