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Mark Bretthauer > Trail Favorites List

5.7 mi 9.2 km Bear Peak Out and Back
Difficult Difficult
Boulder, CO
Difficult Difficult
Boulder, CO 152 
5.3 mi 8.5 km Mount Sanitas via Sunshine Lion's Lair Loop
Intermediate Intermediate
Boulder, CO
Intermediate Intermediate
Boulder, CO 145 
4.9 mi 7.9 km Green Mountain via Ranger/Saddle Rock Loop
Difficult Difficult
Boulder, CO
Difficult Difficult
Boulder, CO 115 
8.4 mi 13.5 km Chasm Lake
Difficult Difficult
Estes Park, CO
Difficult Difficult
Estes Park, CO 115 
5.2 mi 8.3 km Storm Mountain
Difficult Difficult
Estes Park, CO
Difficult Difficult
Estes Park, CO
5.9 mi 9.5 km Animas Mountain Loop
Intermediate/Difficult Intermediate/Difficult
Durango, CO
Intermediate/Difficult Intermediate/Difficult
Durango, CO 18 
1.7 mi 2.7 km Skyline Trail
Intermediate Intermediate
Durango, CO
Intermediate Intermediate
Durango, CO
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