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Lake Entiat (also known as Rocky Reach Reservoir) is a
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 ...
between Chelan County and Douglas County in North Central
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 ...
, USA, that is formed above Rocky Reach Dam (built 1962), a
hydroelectric Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energ ...
dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aqua ...
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 ...
. The reservoir is north of Wenatchee and stretches upstream to the Wells Dam. Lincoln Rock State Park is on its south shore.


Turtle Rock Island

A prominent feature in Lake Entiat is the 150-acre Turtle Rock Island, located northeast of Lincoln Rock State Park. Originally part of the mainland on the south bank of the Columbia, this rocky outcrop became an island when the lake formed. U.S. Highway 2 formerly ran through the area that became the island, and remnants of the road may still be seen in aerial photos. The island is now a nature preserve and fish hatchery, with access only by boat.


References


External links

* Entiat Entiat Entiat Protected areas of Douglas County, Washington Protected areas of Chelan County, Washington {{DouglasCountyWA-geo-stub