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About Lewis and Clark Lake

Lewis and Clark Lake is a 31,400-acre reservoir in South Dakota, completed in 1957, managed by USACE Omaha District. Live pool elevation comes from the USACE NWDM District water-control feed. The main public launch is Lewis & Clark Marina Boat Ramp at 43527 Shore Dr, Yankton, SD 57078. The Gavin's Point Yacht Club is the active sailing club on the water.