01. (mile00, 7923 ft) START/FINISH NORTH:
outskirts of Aspen, turn up Castle Valley South of town
02. (mile14, 9743 ft) START/FINISH NORTH ALTERNATE:
Pearl Pass dirt road begins at the end of Castle Valley
03. (mile17, 11118 ft) Junction with Montezuma Mine
Road. Keep left on steep jeep trail
04. (mile20, 12692 ft) TOP: Pearl Pass
05. (mile29, 9177 ft) START/FINISH SOUTH: stay left at T
06. (mile30, 8954 ft) stay left at T
07. (mile32, 8916 ft) stay left at T
08. (mile35, 8915 ft) stay left at T
09. (mile35, 8853 ft) turn right onto Rte 135 into
Crested Butte