Mill Creek Park is one of the highlights of O'Brien County. The park offers a variety of activities for the whole family throughout the year! The campground has 48 campsites complete with 20/30/50 AMP service, water, internet and cable connections, 2 modern 12 person camping cabins, 2 primitive 6 person camping cabins, concession stand, lodge, hiking, biking, swimming beach, year-round...