National Parks near Heart of Iowa Nature Trail, Story County, Iowa Heart of Iowa Nature Trail Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Heart of Iowa Nature Trail, Story County, Iowa Nearest metro area is Ames, Iowa Click here for more outdoors activities near Ames, Iowa General Camping Information List of nearby National Parks: Mississippi National River & Recreation Area, St. Paul - MN, 158.8 miles away Effigy Mounds National Monument, Harpers Ferry - IA, 163.8 miles away Lewis & Clark National Historic Trail, Omaha - NE, 183.8 miles away Saint Croix National Scenic River, Saint Croix Falls - WI, 186.7 miles away Pipestone National Monument, Pipestone - MN, 234.3 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Iowa Outdoors Index