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25.3 mi 40.8 km Long Eaglesmere - Upper Cateract - Surprise Lake Loop
Intermediate/Difficult Intermediate/Difficult
Vail, CO
Intermediate/Difficult Intermediate/Difficult
Vail, CO
8.1 mi 13.1 km Columbine Lake Out-and-Back
Intermediate/Difficult Intermediate/Difficult
Silverton, CO
Intermediate/Difficult Intermediate/Difficult
Silverton, CO
23.0 mi 37.1 km Rito Alto Four Pass Loop
Difficult Difficult
Westcliffe, CO
Difficult Difficult
Westcliffe, CO 23 
14.4 mi 23.2 km Harvard and Columbia
Difficult Difficult
Buena Vista, CO
Difficult Difficult
Buena Vista, CO 17 
15.7 mi 25.2 km High Lonesome Loop
Difficult Difficult
Nederland, CO
Difficult Difficult
Nederland, CO 124 
3.4 mi 5.5 km Ice Lake Trail
Difficult Difficult
Silverton, CO
Difficult Difficult
Silverton, CO 74 
7.6 mi 12.2 km Blue Lakes Trail
Intermediate/Difficult Intermediate/Difficult
Telluride, CO
Intermediate/Difficult Intermediate/Difficult
Telluride, CO 44 
84.4 mi 135.9 km Southern Cross CDT to CT Loop
Intermediate/Difficult Intermediate/Difficult
Leadville North, CO
Intermediate/Difficult Intermediate/Difficult
Leadville North, CO
14.2 mi 22.8 km Lake Solitude
Intermediate/Difficult Intermediate/Difficult
Jackson, WY
Intermediate/Difficult Intermediate/Difficult
Jackson, WY 103 
9.9 mi 16.0 km Amphitheater Lake
Difficult Difficult
Jackson, WY
Difficult Difficult
Jackson, WY 82 
73.7 mi 118.6 km Teton Crest Trail
Difficult Difficult
Moose Wilson Road, WY
Difficult Difficult
Moose Wilson Road, WY 39 
19.6 mi 31.6 km Paintbrush Divide
Difficult Difficult
Jackson, WY
Difficult Difficult
Jackson, WY 57 
18.7 mi 30.1 km Colorado Trail: Copper Mountain to Camp Hale
Intermediate/Difficult Intermediate/Difficult
Copper Mountain, CO
Intermediate/Difficult Intermediate/Difficult
Copper Mountain, CO
12.2 mi 19.6 km Chicago Lakes Trail #52
Intermediate/Difficult Intermediate/Difficult
Georgetown, CO
Intermediate/Difficult Intermediate/Difficult
Georgetown, CO 48 
23.2 mi 37.3 km Longs Peak Valley Loop
Difficult Difficult
Estes Park, CO
Difficult Difficult
Estes Park, CO 14 
20.0 mi 32.2 km Beaver Creek Hourglass Loop
Intermediate/Difficult Intermediate/Difficult
Red Feather Lakes, CO
Intermediate/Difficult Intermediate/Difficult
Red Feather Lakes, CO
29.6 mi 47.6 km State Forest State Park North Loop
Difficult Difficult
Walden, CO
Difficult Difficult
Walden, CO
26.5 mi 42.6 km Pawnee-Buchanan Loop
Difficult Difficult
Nederland, CO
Difficult Difficult
Nederland, CO 67 
22.7 mi 36.5 km Upper Slate Lake
Intermediate/Difficult Intermediate/Difficult
Silverthorne, CO
Intermediate/Difficult Intermediate/Difficult
Silverthorne, CO 13 
11.1 mi 17.8 km Gray's and Torrey's from Loveland Pass (The Loveland Double)
Very Difficult Very Difficult
Keystone, CO
Very Difficult Very Difficult
Keystone, CO
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