Welcome to the Oahe Project Homepage

The Omaha District, U.S. Army Corps of Engineers, welcomes you to the Oahe Project. Lake Oahe spans 231 miles from Pierre, the capital of South Dakota, to Bismarck, the capital of North Dakota.

Lake Oahe is surrounded by mixed grass prairie with trees growing down to the shore in occasional steep draws. People travel from all over the nation to participate in recreational activities on the 461,000 acres of land and water that comprise the project. Guests are encouraged to have fun and are reminded that care should be taken to preserve the lands and waters for future visitors.

There are 51 recreation areas located around the reservoir. They include highly developed campgrounds and day use areas, moderately developed areas, and primitive areas. Recreation opportunities at the lake include camping, picnicking, fishing, hunting, boating, water skiing, swimming, bird-watching, hiking, biking, and photography.

Location: 7 miles north of Pierre, South Dakota, on South Dakota Highway 1804; or 5 miles north of Fort Pierre, South Dakota on South Dakota Highway 1806.

Address: U.S. Army Corps of Engineers 28563 Powerhouse Road Room 105 Pierre, South Dakota 57501

Telephone: (605) 224-5862 or fax (605) 224-5945.

E-Mail: For questions regarding Oahe Dam or Lake Oahe, contact the  Oahe Lake Manager.

Hours: Office hours - Monday through Friday 7:30 AM to 4:00 PM. Visitor Center Hours and Powerplant tour times vary.

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