Dam

Pierson Ranch Recreation Area is a state recreation area in Yankton County, South Dakota in the United States. The recreation area is 60 acres (24 ha) and lies directly below Gavins Point Dam and Lewis and Clark Lake and is adjacent to Lake Yankton. The area is open for year-round recreation including camping, swimming, fishing, hiking and boating.

Calumet Bluff is a hill about 180 feet high overlooking Lewis and Clark Lake and the Missouri River in Cedar County, Nebraska, U.S., where the Lewis and Clark Expedition held its first council with the Sioux Indians for two days in 1804. Today the Bluff forms the right or south abutment of the Gavins Point Dam.

Cottonwood Recreation Area is a public recreation area located in Cedar County, Nebraska, U.S.. It is located about 5 miles (8.0 km) west of Yankton and located on the shores of Lake Yankton. The recreation area is located immediately downstream of Gavins Point Dam and Lewis and Clark Lake. It is named for Cottonwood Island, an original island located in the Missouri River, for the large groves of Cottonwood Trees that dominate the area.