The park contains the largest lake in southwestern Minnesota, which forms the headwaters of the Des Moines River. Expect great fishing for walleye, northern, crappie, and bullheads. Loon Island, a 45-acre bird sanctuary, is accessible on foot via a causeway and includes an interpretive trail. Visit the Koch Cabin and monument memorializing pioneer settlers. The park includes a swimming beach, boat launch, and campgrounds.
Boat rentals are available.