South - Interstate State Park — RV Camping in Wisconsin, US

South - Interstate State Park sits along the scenic St. Croix National Scenic Riverway in Wisconsin, offering RV travelers a striking natural setting defined by the Dalles of the St. Croix — a dramatic, steep-sided river gorge carved during the last ice age. As Wisconsin's oldest state park, established in 1900, the campground blends rich geological history with modern conveniences. Big rig-friendly sites come equipped with water hookups, picnic tables, grills, and firewood, making it an ideal base camp for extended stays. Restroom facilities are available on-site. The park's extensive trail network invites hikers of all skill levels to explore forested paths and cliff-top vistas overlooking the St. Croix River. History enthusiasts will appreciate the on-site Ice Age Interpretive Center, which features exhibits, murals, and films detailing Wisconsin's glacial past. A Nature Center adds further educational programming for families. Located on WI-35 in western Wisconsin near the Minnesota border, Interstate State Park offers convenient access to the broader St. Croix Valley region, charming river towns, and water recreation along a nationally designated scenic waterway. Campers will find both adventure and tranquility in one of the Midwest's most geologically unique landscapes.