Lake Entiat (also known as Rocky Reach Reservoir) is a

reservoir A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contro ...

between Chelan County and Douglas County in North Central

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

, USA, that is formed above

Rocky Reach Dam Rocky Reach Dam is a run-of-the-river hydroelectric dam in the U.S. state of Washington owned and operated by Chelan County Public Utility District. It has 11 generators rated in total 1300 MW. The project is on the Columbia River in north cent ...

(built 1962), a

hydroelectric Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined and ...

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 ...

on the

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

. The reservoir is north of

Wenatchee Wenatchee ( ) is the county seat and largest city of Chelan County, Washington, United States. The population within the city limits in 2010 was 31,925, and was estimated to have increased to 34,360 as of 2019. Located in the north-central part ...

and stretches upstream to the

Wells Dam Wells Dam is a hydroelectric embankment dam located on the Columbia River, downstream from the confluence of the Okanogan River, Methow River, and the Columbia River in Washington state. The dam, associated structures, and machinery make up the ...

Lincoln Rock State Park Lincoln Rock State Park is a public recreation area on the east side of the Columbia River's Lake Entiat, north of Wenatchee and one mile upstream from the Rocky Reach Dam. The state park covers opposite the cliff formation for which it is n ...

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 U.S. Route 2 or U.S. Highway 2 (US 2) is an east–west U.S. Highway spanning across the northern continental United States. US 2 consists of two segments connected by various roadways in southern Canada. Unlike some routes, whi ...

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