Mad River (Washington)

Mad River
Location of the mouth of the Mad River in Washington
Mad River (Washington) (the United States)
Location
CountryUnited States
StateWashington
CountyChelan
Physical characteristics
SourceCascade Range
 • coordinates47°56′30″N 120°38′52″W / 47.94167°N 120.64778°W / 47.94167; -120.64778[1]
MouthEntiat River
 • coordinates
47°44′9″N 120°21′48″W / 47.73583°N 120.36333°W / 47.73583; -120.36333[1]
Basin size92.4 sq mi (239 km2)[2]
Discharge 
 • locationriver mile 0.4 at Ardenvoir[2]
 • average76.7 cu ft/s (2.17 m3/s)[2]
 • minimum9.0 cu ft/s (0.25 m3/s)
 • maximum659 cu ft/s (18.7 m3/s)

The Mad River is a river in the U.S. state of Washington. It rises in the Cascade Mountains and flows southeast to join the Entiat River. It is part of the Columbia River basin, being a tributary of the Entiat River, which empties into the Columbia River.

See also

References

  1. ^ a b U.S. Geological Survey Geographic Names Information System: Mad River
  2. ^ a b c "Water Resources Data-Washington Water Year 2005; Entiat, Wenatchee, and Sand Hollow River Basins and the Columbia River from Wells Dam to Rock Island Dam" (PDF). USGS. Retrieved 31 July 2009.