Walla Walla River
River in Washington, United States / From Wikipedia, the free encyclopedia
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For other uses, see Walla Walla (disambiguation).
The Walla Walla River is a tributary of the Columbia River, joining the Columbia just above Wallula Gap in southeastern Washington in the United States. The river flows through Umatilla County, Oregon, and Walla Walla County, Washington.[1] Its drainage basin is 1,758 square miles (4,550 km2) in area.[2]
Quick Facts Location, Country ...
Walla Walla River | |
---|---|
Location | |
Country | United States |
State | Washington |
Physical characteristics | |
Source | Blue Mountains |
• location | near Milton–Freewater |
• coordinates | 45°53′54″N 118°18′28″W[1] |
Mouth | Columbia River at Lake Wallula |
• location | Wallula |
• coordinates | 46°3′58″N 118°55′3″W[1] |
Length | 61 mi (98 km) |
Basin size | 1,758 sq mi (4,550 km2)[2] |
Discharge | |
• location | Walla Walla |
• average | 589 cu ft/s (16.7 m3/s)[3] |
• maximum | 33,400 cu ft/s (950 m3/s)[3] |
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