Long Term RV Sites
Features
Everything You Need for a Comfortable Stay
20/30 Amp Electric
Picnic Table
Water Supply
WI-FI Facility
Pet Friendly
Parking Facility
Long Term RV Sites
Willow Mill Campsite has welcomed seasonal RV campers to Rio, Wisconsin since 1968. Our spacious, shaded long-term RV sites offer a peaceful home away from home with gated access, mature trees, picnic tables, optional lakefront sites, and a friendly campground community that brings guests back year after year.
Enjoy everything you need for an extended stay, including laundry facilities, private bathrooms, propane refills, free WiFi near the camp store, and a pet-friendly dog park. Conveniently located near Madison, Wisconsin Dells, Devils Lake State Park, and the Wisconsin River, Willow Mill is the perfect base for relaxing and exploring the area.
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ways to stay
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RV Sites
Our RV sites offer plenty of large, shaded spots to choose from. Lakefront sites put you right at the water’s edge, and our oversized sites handle big rigs without a problem.
Long Term RV Sites
Willow Mill has been a seasonal home for families since 1968, and our long term sites reflect that. Claim your spot for the season and spend your summers on the water in Columbia County.