Detroit Lake State Park, by the way, is basically the Mongold Day Use Area, and is part of a larger Detroit Lake State Recreation Area and Campground. Detroit Lake State Park in Detroit is rated 8.1 of 10 at Campground Reviews. Beautiful camping sites some with power for RVs or disabled people that need power : ) Showers and normal toilets! Detroit Lake State Recreation Area: Hours, Address, Detroit Lake State Recreation Area Reviews: 4/5. Access 94 trusted reviews, 45 photos & 17 tips from fellow RVers. The lake is a popular destination for boaters and fishermen and can get very busy during the warm summer months. Detroit Lake State Park in Detroit, Oregon: 12 reviews, 1 photos, & 2 tips from fellow RVers. The State Park contains Mongold Day Use area, open for a fee year-round. There is also a mini golf course as well. Camping on the lake. Find the best campgrounds & rv parks near Detroit Lakes… Long Lake Campsite & RV Resort "Very nice park 3.5 miles West of Detroit Lakes, MN, with an 18 hole golf course and a Bar & Grill on the property. There are several park models scattered throughout the park, mostly closer to the entrance/road. Detroit Lake State Park is located on the north side of Detroit Lake and is about five minutes west of the town of Detroit. Read Recent Reviews of Campgrounds in Detroit Lakes, Minnesota. Informed RVers have rated 11 campgrounds near Detroit Lakes, Minnesota. The campground itself is large and sits between the lake and highway 22.