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Angostura Reservoir
Angosturadam.jpg
Angostura Dam
Location of Angostura Reservoir in South Dakota, USA.
Location of Angostura Reservoir in South Dakota, USA.
Angostura Reservoir
Location in South Dakota
Location of Angostura Reservoir in South Dakota, USA.
Location of Angostura Reservoir in South Dakota, USA.
Angostura Reservoir
Location in the United States
Location Fall River County, South Dakota, United States. Near Hot Springs, South Dakota
Coordinates 43°20′36″N 103°26′16″W / 43.34333°N 103.43778°W / 43.34333; -103.43778
Type artificial lake
Primary inflows Cheyenne River Dry Creek Horsehead Creek Tepeee Creek
Primary outflows Cheyenne River
Basin countries United States
Surface area 4,407 acres (17.83 km2)
Max. depth 75 ft (23 m)
Shore length1 42 mi (68 km)
Surface elevation 3,127 ft (953 m)
1 Shore length is not a well-defined measure.

Angostura Reservoir is a large, human-made lake in Fall River County, South Dakota, United States. It was created on the Cheyenne River in 1949. The name "Angostura" means "narrows" in Spanish. This reservoir helps farmers by providing water for their crops. It is also a very popular spot for outdoor fun and a home for many birds.

Discover Angostura Reservoir

Angostura Reservoir is an important part of South Dakota. It was built by the U.S. Bureau of Reclamation. They finished the Angostura Dam in 1949. The main reason for building it was for irrigation. This means providing water to help grow crops.

About the Lake

The reservoir covers a large area. It is about 4,407 acres (17.83 km2) big. The surface of the water is about 3,127 ft (953 m) above sea level. At its deepest point, the lake is about 75 ft (23 m) deep.

Fun Activities at the Lake

The area around Angostura Reservoir is called the Angostura Recreation Area. It is a great place for many outdoor activities.

  • You can go boating on the lake.
  • It's a popular spot for swimming.
  • Many people enjoy camping nearby.
  • Fishing is also a favorite activity here.

What Fish Live Here?

The lake is home to several types of fish. You might catch:

Wildlife Around the Reservoir

Angostura Reservoir is one of the few large bodies of water in its area. This makes it a very important stop for migratory birds. These birds use the lake as a resting place. They stop here during their long journeys.

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