Jacks is a hiking, biking, and horse trail in , Colorado. It is 0.8 miles long and begins at 7,695 feet altitude. Traveling the entire trail is 1.7 miles with a total elevation gain of 562 feet. The Hartman Rocks information board, Hartman Rocks Base Area and another parking, and the Hartman Rocks picnic site are near the trailhead. There are also restrooms.
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