Lewis and Clark Lake is a large reservoir located on the Missouri River in South Dakota and Nebraska. It was created by the construction of the Fort Randall Dam and covers approximately 31,000 acres. The lake is named after the famous explorers Meriwether Lewis and William Clark, who traveled through the region during their expedition in the early 1800s. The lake serves various purposes, including recreation, flood control, and irrigation. Popular activities at Lewis and Clark Lake include fishing, boating, and camping. The surrounding area features parks and wildlife, making it a great destination for outdoor enthusiasts.