Coordinates: 45°43′3″N 120°41′38″W / 45.71750°N 120.69389°W / 45.71750; -120.69389

Lake Umatilla

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Lake Umatilla
Location of Lake Umatilla in Oregon and Washington, USA.
Location of Lake Umatilla in Oregon and Washington, USA.
Lake Umatilla
Location of Lake Umatilla in Oregon and Washington, USA.
Location of Lake Umatilla in Oregon and Washington, USA.
Lake Umatilla
Location of Lake Umatilla in Oregon and Washington, USA.
Location of Lake Umatilla in Oregon and Washington, USA.
Lake Umatilla
LocationOregon / Washington, United States
Coordinates45°43′3″N 120°41′38″W / 45.71750°N 120.69389°W / 45.71750; -120.69389
Typereservoir
Primary inflowsColumbia River
Primary outflowsColumbia River
Basin countriesUnited States

Lake Umatilla is a 110-mile (177 km) long[1] reservoir on the Columbia River in the United States, between the U.S. states of Washington and Oregon. It was created in 1971 with the construction of John Day Dam, and stretches upstream to the McNary Dam. It lies in parts of Sherman, Gilliam, Morrow, and Umatilla counties in Oregon, and Klickitat and Benton counties in Washington.

See also

References

  1. ^ U.S. Geological Survey Geographic Names Information System: Lake Umatilla



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