National Parks near Tallgrass Nature Trail, Grundy County, Illinois Tallgrass Nature Trail Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Tallgrass Nature Trail, Grundy County, Illinois Nearest metro area is Pontiac, Illinois Click here for more outdoors activities near Pontiac, Illinois General Camping Information List of nearby National Parks: Illinois & Michigan Canal National Heritage Corridor, Lockport - IL, 24.5 miles away Indiana Dunes National Lakeshore, Porter - IN, 89.6 miles away Ice Age National Scenic Trail, Madison - WI, 116.6 miles away North Country National Scenic Trail, Madison - WI, 116.6 miles away Effigy Mounds National Monument, Harpers Ferry - IA, 218.2 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Illinois Outdoors Index