Sportsmen's Centennial Park offers a boat ramp providing access to Lake Sakakawea, located 5 miles east and 3 miles south of Garrison.

The park features 97 campsites (54 with electric hookups), a fish cleaning station, convenience store, swimming beach, and picnic shelters, making it a full-service recreation area for boaters and anglers.

The park is open seasonally from April through October with online reservations available.