Gavins Point Dam is a 1.9-mile-long embankment rolled-earth and chalk-fill dam which spans the Missouri River and impounds Lewis and Clark Lake. The dam joins Cedar County, Nebraska with Yankton Count
Gavins Point Dam on the Missouri River, impounding Lewis and Clark Lake.
Tom Brokaw greeting the 20,000th visitor to the dam in 1958. Brokaw was once a tour guide at the dam.
The dam releasing a record 150,000 cubic feet per second (4,200 m3/s) of water on June 14, 2011 as a result of the 2011 Missouri River Floods. The release was more than twice the previous record set in 1997.
Aerial photo of Gavins Point Dam and Lewis and Clark Lake, looking north.
Lewis and Clark Lake is a 31,400 acre reservoir located on the border of the U.S. states of Nebraska and South Dakota on the Missouri River. The lake is approximately 25 miles in length with over 90 m
Gavins Point Dam
…Gavins Point Dam is a 1.9-mile-long (3 km) embankment rolled-earth and chalk-fill dam which spans the Missouri River and impounds Lewis and Clark Lake. The dam joins Cedar County, Nebraska with Yankton County, South Dakota a distance of 811.1 river miles (1,305 km) upstream of St. Louis, Missouri…
Lewis and Clark Lake behind Gavins Point Dam, near Yankton, South Dakota, on the Missouri River
View of Lewis and Clark Lake from Calumet Bluff overlook and hiking trail in Cedar County, Nebraska
View of Lewis and Clark Lake from Lewis & Clark Recreation Area along the South Dakota shore
Close-up of a typical shell of a zebra mussel, an unwanted aquatic invasive species that was discovered in the lake in 2014