National Parks near Shell Rock River Trail, Butler County, Iowa Shell Rock River Trail Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Shell Rock River Trail, Butler County, Iowa Nearest metro area is Waterloo-Cedar Falls, Iowa Click here for more outdoors activities near Waterloo-Cedar Falls, Iowa General Camping Information List of nearby National Parks: Effigy Mounds National Monument, Harpers Ferry - IA, 102.9 miles away Mississippi National River & Recreation Area, St. Paul - MN, 117.1 miles away Saint Croix National Scenic River, Saint Croix Falls - WI, 134.7 miles away Ice Age National Scenic Trail, Madison - WI, 219 miles away North Country National Scenic Trail, Madison - WI, 219 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Iowa Outdoors Index