Cle Elum River

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Cle Elum River
Country United States
State Washington
Region Kittitas County
Major city Cle Elum
Length 28 mi (45 km) [1]
Source Cascade Range
 - coordinates 47°35′19″N 121°10′1″W / 47.58861, -121.16694 [2]
 - elevation 6,115 ft (1,864 m) [3]
Mouth Yakima River
 - coordinates 47°10′37″N 120°59′49″W / 47.17694, -120.99694 [2]
 - elevation 1,990 ft (607 m) [3]
Major tributaries
 - right Waptus River, Cooper River

The Cle Elum River is a tributary of the Yakima River, approximately 28 miles (45 km) long in the U.S. state of Washington.

The river originates in the Cascade Range near Mount Daniel and flows generally south, through Hyas Lake. The river is joined by many tributary streams including Waptus River and Cooper River, after which it enters Cle Elum Lake. Although a natural lake, Cle Elum Lake's water level and discharge is controlled by Cle Elum Dam, a 165 foot (50 m) high earthfill structure built in 1933. The dam and lake are managed for irrigation purposes by the United States Bureau of Reclamation as part of the Yakima Project.[4] Below the dam, Cle Elum River continues south to join the Yakima River on the west side of the city of Cle Elum.

[edit] References

  1. ^ Cle Elum River, The Columbia Gazetteer of North America. 2000.
  2. ^ a b USGS GNIS: Cle Elum River, USGS, GNIS.
  3. ^ a b Google Earth elevation for GNIS coordinates.
  4. ^ Yakima Project, United States Bureau of Reclamation.