National Parks near Mill-Castle Trail, Gunnison County, Colorado Mill-Castle Trail Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Mill-Castle Trail, Gunnison County, Colorado Nearest metro area is Edwards, Colorado Click here for more outdoors activities near Edwards, Colorado General Camping Information List of nearby National Parks: Black Canyon Of The Gunnison National Park, Gunnison - CO, 39.6 miles away Curecanti National Recreation Area, Gunnison - CO, 39.6 miles away Colorado National Monument, Fruita - CO, 111.5 miles away Great Sand Dunes National Monument, Mosca - CO, 115.1 miles away Mesa Verde National Park, Mesa Verde National Park - CO, 116 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Colorado Outdoors Index