located approximately west or upstream of Yankton, South Dakota. Lewis and Clark Visitor Center The Lewis and Clark Visitor Center is located just south of Gavins Point Dam atop Calumet Bluff with views of Lewis and Clark Lake, Lake Yankton, and the Missouri River below the dam. The visitor center is open daily from Memorial Day weekend through Labor Day weekend and open weekdays during other times of the year. The visitor center interprets the history of the Missouri River Basin, including Native Americans, pioneers, the Lewis and Clark Expedition (which traveled through the area); along with local wildlife and the history of the Corps of Engineers in the area. A theater shows educational videos on the Lewis and Clark Expedition, construction of Gavins Point Dam, and the natural history of the Missouri River Region. A bookstore offers educational books, videos, and other merchandise for sale. The visitor center is known as a viewing point for the American Bald Eagle, which frequents the Missouri River below the dam, especially in winter months. The visitors center is operated and staffed by U.S. Army Corps of Engineers Park Rangers, who also give guided tours of Gavins Point Dam and the power plant. Parks and recreation Lewis and Clark Lake is a very popular regional tourist destination in the upper Midwest for camping, water sports, hiking, bird watching, hunting, fishing, swimming, and biking. Average annual public visitation exceeds one-million visitors per year to the lake area. Many of these recreation areas around the lake offer boat ramps, marinas, campgrounds, and day-use areas. The upper stretches of the lake are renowned for their superior waterfowl viewing and hunting opportunities along the Missouri River flyway. Located downstream of the lake is the 59-mile reach of the Missouri National Recreational River (MNRR) which stretches eastward from the dam to Ponca State Park, upstream of the lake is the 39-mile reach of the MNRR which stretches westward to Fort Randall Dam. List of recreation and public use areas The following are public parks and lake access areas on Lewis and Clark Lake: Nebraska: Lewis and Clark State Recreation Area (NE GPC) Weigand-Burbach Area & Marina South Shore Recreation Area Bloomfield Recreation Area Miller Creek Recreation Area Niobrara State Park (NE GPC) Niobrara Recreation Area (Village of Niobrara) Calumet Bluff Trail & Overlook (USACE) Hideaway Acres (Hideaway Acres Assn.) Santee Recreation Area (USACE & Santee Sioux Nation) Cottonwood