Collar Bone is a hiking, biking, and horse trail in , Colorado. It is 0.4 miles long and begins at 7,698 feet altitude. Traveling the entire trail is 0.8 miles with a total elevation gain of 164 feet. The Hartman Rocks information board, the Hartman Rocks Base Area parking, and the Hartman Rocks picnic site are near the trailhead. There are also restrooms.
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