Soo Line Trail Campground — RV Camping in Onamia, MN

Soo Line Trail Campground is a full-service RV and tent camping destination in Onamia, Minnesota, nestled in the heart of Mille Lacs County in central Minnesota. Part of the Midwest Outdoor Resorts family, this campground sits near the Soo Line Trail—a scenic rail-to-trail corridor perfect for hiking and cycling—and is minutes from Mille Lacs Lake, one of Minnesota's most celebrated walleye and perch fishing destinations. Campers enjoy full hookups with electrical, water, and sewer connections, a dump station, and tent sites for those who prefer a more rustic experience. On-site amenities include hot showers, flush toilets, Wi-Fi, charcoal grills, firewood, and a general store stocked with camping essentials. Outdoor enthusiasts will appreciate direct access to hiking and nature trails right from the campground, while the surrounding lakes and rivers offer excellent fishing opportunities throughout the season. The wooded setting and access to central Minnesota's lakes region make Soo Line Trail Campground a popular base camp for anglers, trail riders, and families looking to explore the natural beauty of the Mille Lacs area. Whether visiting for a weekend or an extended stay, this campground delivers a well-rounded outdoor experience in central Minnesota lake country.