Lake Francis Case is the large, gently winding reservoir behind Fort Randall Dam on the Missouri River in south-central South Dakota. The lake has an area of 102,000 acres and a maximum depth of 140 ft. Lake Francis Case covers just over 100 miles, with a shoreline of 540 miles.
The rolling prairie terrain surrounding along Lake Francis Case is a peaceful paradise for outdoors enthusiasts, while the reservoir itself is home to all kinds of water recreation. Species of fish in the reservoir include walleye, northern pike, sauger, sunfish, yellow perch, common carp, black bullhead, channel catfish and smallmouth bass.
Lake Francis Case cuts through grassy prairie and grain fields that provide habitat for pheasant, sharp-tailed grouse, prairie chickens, turkeys, and geese. Hunters also pursue big game animals such as white-tailed deer, mule deer, and antelope.