The Porcupine Rim Trail in Moab, Utah is 15.6 miles in length, requiring expert technical skills, this ride is for the advanced riders who are in good shape.
It's one-way with a shuttle car, or a 34-mile loop for the truly insane (10 uphill miles from Moab to the trailhead, 8 flat miles from Jackass Canyon back to the middle of Moab).
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