Map of Mill-Castle Trail, Gunnison County, Colorado LOCATION Latitude: 38.70417 Longitude: -107.14833 Current weather conditions at Mill-Castle Trail, Gunnison County, Colorado Local climate location: PAONIA 18 miles away    High quality water resistant topo map of Mill-Castle Trail, Gunnison County, Colorado.   Colorado Hiking Trails Complete list of all hiking trails in Colorado sorted by county. Books about Mill-Castle Trail, Gunnison County, Colorado List of books available on Amazon.com about Mill-Castle Trail. Outdoors Recreation Near Edwards, Colorado Outdoors recreation in the vicinity of Edwards, Colorado, the metro area neareast to Mill-Castle Trail. Find info on campgrounds, marinas, hiking trails, ski resorts, lakes, beaches, parks, whitewater, golf courses and more. Colorado Outdoors Index Index of outdoors activities in the great state of Colorado.