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Lake Entiat facts for kids

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Lake Entiat
Rocky Reach Reservoir
Lake entiat pano.jpg
Location of Lake Entiat in Washington, USA.
Location of Lake Entiat in Washington, USA.
Lake Entiat
Location in Washington (state)
Location of Lake Entiat in Washington, USA.
Location of Lake Entiat in Washington, USA.
Lake Entiat
Location in the United States
Location Chelan / Douglas counties, Washington, United States
Coordinates 47°31′59″N 120°17′39″W / 47.53306°N 120.29417°W / 47.53306; -120.29417
Type reservoir
Primary inflows Columbia River
Primary outflows Columbia River
Basin countries United States

Lake Entiat is a large body of water in central Washington, USA. It is also known as the Rocky Reach Reservoir. This lake is not natural; it was created by people. It formed when the Rocky Reach Dam was built on the Columbia River in 1962.

A reservoir is like a giant storage tank for water. Lake Entiat holds water that helps make electricity. This process is called hydroelectricity. The lake stretches about 17 miles (27 km) north of Wenatchee. It reaches all the way to the Wells Dam. You can find Lincoln Rock State Park on the south side of the lake.

Discovering Turtle Rock Island

Turtle Rock Island WA
Turtle Rock Island, Lake Entiat, Washington

One special spot in Lake Entiat is Turtle Rock Island. This island is about 150 acres big. It is located northeast of Lincoln Rock State Park.

How Turtle Rock Island Formed

Before the lake was created, Turtle Rock was part of the mainland. It was a rocky hill on the south bank of the Columbia River. When the Rocky Reach Dam was built, the area filled with water. This made the rocky hill become an island.

Island's Past and Present

An old road, U.S. Route 2, used to run through the area that is now the island. You can still see parts of this old road in pictures taken from above. Today, Turtle Rock Island is a special place. It is a nature preserve, which means it protects plants and animals. It also has a fish hatchery, where young fish are raised. You can only get to the island by boat.

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