National Parks near Linn Creek Greenbelt, Marshall County, Iowa Linn Creek Greenbelt Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Linn Creek Greenbelt, Marshall County, Iowa Nearest metro area is Marshalltown, Iowa Click here for more outdoors activities near Marshalltown, Iowa General Camping Information List of nearby National Parks: Effigy Mounds National Monument, Harpers Ferry - IA, 134.9 miles away Mississippi National River & Recreation Area, St. Paul - MN, 150.8 miles away Saint Croix National Scenic River, Saint Croix Falls - WI, 173.9 miles away Lewis & Clark National Historic Trail, Omaha - NE, 213 miles away Ice Age National Scenic Trail, Madison - WI, 244.5 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Iowa Outdoors Index