Spokane River

The Spokane River is a tributary of the Columbia River, approximately 111 miles (179 km) long, in northern Idaho and eastern Washington in the United States. It drains a low mountainous area east of the Columbia, passing through the Spokane Valley and the city of Spokane, Washington.

Spokane River
Spokane River in Lincoln County, 1909
Spokane River watershed
EtymologySpokane tribe, the "sun people"
Location
CountryUnited States
StateWashington, Idaho
CountyKootenai, Spokane,
Stevens, Lincoln
Physical characteristics
SourceLake Coeur d'Alene
  locationKootenai County, Idaho
  coordinates47°40′41″N 117°07′34″W
  elevation1,994 ft (608 m)
MouthColumbia River at
  location
Lake Roosevelt, Washington
  coordinates
47°53′38″N 118°20′03″W
  elevation
1,293 ft (394 m)
Length111 mi (179 km)
Basin size6,020 sq mi (15,600 km2)
Discharge 
  locationmouth, max and min at Long Lake Dam
  average7,946 cu ft/s (225.0 m3/s)
  minimum90 cu ft/s (2.5 m3/s)
  maximum49,700 cu ft/s (1,410 m3/s)
Basin features
ProgressionColumbia RiverPacific Ocean
River systemColumbia River
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