Soo Line Trail/Onamia KOA — RV Camping in Onamia, MN

Soo Line Trail/Onamia KOA is a quiet, well-maintained KOA Journey campground located in Onamia, Minnesota, in the heart of central Minnesota lake country. Situated directly on the 105-mile Soo Line South ATV Trail — a converted railway corridor winding through forests, farmlands, and over trestle bridges — it serves as an ideal base for ATV riders, hikers, and cyclists. Full-hookup RV sites with 50-amp service accommodate all rig sizes, while tent sites, cabins, and dry camping options add flexibility. On-site amenities include clean restrooms and showers, modern laundry, a camp store, clubhouse, playground, fire pits, picnic tables, bike rentals, and walking trails. Families enjoy organized activities, themed weekends, and campfire evenings. The campground sits minutes from Mille Lacs Lake, one of Minnesota's largest lakes and a world-class walleye fishery. Nearby attractions include Mille Lacs Kathio State Park — a National Historic Landmark with hiking, canoeing, and a panoramic observation tower — Father Hennepin State Park, Grand Casino Mille Lacs, and the Mille Lacs Indian Museum. Pet-friendly and ADA accessible, this campground blends trail access with lakeside recreation in a relaxed, family-friendly atmosphere.