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4.9 mi 7.9 km Green Mountain via Ranger/Saddle Rock Loop
Difficult
Boulder, CO
Difficult
Boulder, CO 98 
6.2 mi 10.0 km Red Hill Loop
Intermediate/Difficult
Carbondale, CO
Intermediate/Difficult
Carbondale, CO
26.4 mi 42.5 km Goodwater Loop Trail
Intermediate
Serenada, TX
Intermediate
Serenada, TX 27