Lake Umatilla is a long

reservoir A reservoir (; ) is an enlarged lake behind a dam, usually built to water storage, store fresh water, often doubling for hydroelectric power generation. Reservoirs are created by controlling a watercourse that drains an existing body of wa ...

on the

Columbia River The Columbia River (Upper Chinook language, Upper Chinook: ' or '; Sahaptin language, Sahaptin: ''Nch’i-Wàna'' or ''Nchi wana''; Sinixt dialect'' '') is the largest river in the Pacific Northwest region of North America. The river headwater ...

in the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

, on the border of the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...

s of

Washington Washington most commonly refers to: * George Washington (1732–1799), the first president of the United States * Washington (state), a state in the Pacific Northwest of the United States * Washington, D.C., the capital of the United States ** A ...

and

Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...

. It was created in 1971 with the construction of

John Day Dam The John Day Dam is a concrete gravity run-of-the-river dam spanning the Columbia River in the northwestern United States. The dam features a navigation lock plus fish ladders on both sides. The John Day Lock has the highest lift (at ) of any ...

, and stretches upstream to the

McNary Dam McNary Dam is a 1.4-mile (2.2-km) long concrete gravity run-of-the-river dam which spans the Columbia River. It joins Umatilla County, Oregon with Benton County, Washington, 292 miles (470 km) upriver from the mouth of the Columbia. It is ope ...

. It lies in parts of

Sherman Sherman most commonly refers to: *Sherman (name), including a list of people and fictional characters with the given name or surname ** William Tecumseh Sherman (1820–1891), American Civil War General *M4 Sherman, a World War II American tank S ...

, Gilliam,

Morrow Morrow may refer to: Places in the United States and Canada United States * Morrow, Arkansas *Morrow, Georgia * Morrow, Louisiana * Morrow, Ohio *Morrow County, Ohio *Morrow County, Oregon Canada *Morrow Lake, Ontario *Mount Morrow, Northwest Ter ...

, and Umatilla counties in Oregon, and Klickitat and Benton counties in Washington.

References

Columbia River Gorge Reservoirs in Washington (state) Reservoirs in Oregon Bodies of water of Benton County, Washington Lakes of Gilliam County, Oregon Bodies of water of Klickitat County, Washington Lakes of Morrow County, Oregon Lakes of Sherman County, Oregon Lakes of Umatilla County, Oregon Protected areas of Gilliam County, Oregon Protected areas of Morrow County, Oregon Protected areas of Sherman County, Oregon Protected areas of Umatilla County, Oregon Protected areas of Benton County, Washington Protected areas of Klickitat County, Washington 1971 establishments in Oregon 1971 establishments in Washington (state) {{BentonCountyWA-geo-stub

See also

References