Tucked near the north end of Lake Vermilion in Danville, Illinois, Heron County Park offers a 950-foot floating boardwalk that crosses a genuine wetland habitat. Heron County Park offers a documented wetland stop near DanvilleHeron County Park sits near the north end of Lake Vermilion in Danville, Illinois, and is reached from West Newell Road. The floating boardwalk crosses wetland habitat on an easier routeThe centerpiece of Heron County Park is a 950-foot floating boardwalk that crosses wetland habitat near the north end of Lake Vermilion. The park’s posted hours run from early morning to dusk daily, according to the district’s Heron County Park page. Seasonal closures and wetland conditions require attentionWaterfowl hunting is permitted in designated areas of Heron County Park during hunting season.