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8.3 mi 13.3 km Spring Brook / Goshawk Double Loop
Intermediate Intermediate
Superior, CO
Intermediate Intermediate
Superior, CO 12 
11.1 mi 17.9 km Marshall Mesa to Spring Brook Loop
Intermediate Intermediate
Superior, CO
Intermediate Intermediate
Superior, CO 32 
15.7 mi 25.2 km Dirty Bismark
Easy/Intermediate Easy/Intermediate
Superior, CO
Easy/Intermediate Easy/Intermediate
Superior, CO 23 
5.1 mi 8.1 km Picture Rock
Intermediate Intermediate
Lyons, CO
Intermediate Intermediate
Lyons, CO 10 
5.3 mi 8.5 km Open Sky Loop
Easy/Intermediate Easy/Intermediate
Niwot, CO
Easy/Intermediate Easy/Intermediate
Niwot, CO
0.6 mi 1.0 km Spectacle Lakes Primitive Trail
Very Difficult Very Difficult
Estes Park, CO
Very Difficult Very Difficult
Estes Park, CO
3.0 mi 4.8 km Ypsilon Trail
Intermediate/Difficult Intermediate/Difficult
Estes Park, CO
Intermediate/Difficult Intermediate/Difficult
Estes Park, CO 17 
8.2 mi 13.2 km Round Mountain Summit Adventure Trail
Intermediate/Difficult Intermediate/Difficult
Loveland, CO
Intermediate/Difficult Intermediate/Difficult
Loveland, CO 28 
23.2 mi 37.3 km Longs Peak Valley Loop
Difficult Difficult
Estes Park, CO
Difficult Difficult
Estes Park, CO 14 
5.4 mi 8.7 km Mitchell Lake Trail Out and Back
Intermediate Intermediate
Nederland, CO
Intermediate Intermediate
Nederland, CO 73 
1.0 mi 1.6 km Paiute East Ridge
Very Difficult Very Difficult
Nederland, CO
Very Difficult Very Difficult
Nederland, CO
9.7 mi 15.6 km Mount Audubon and Paiute East
Difficult Difficult
Nederland, CO
Difficult Difficult
Nederland, CO 48 
0.9 mi 1.5 km Tenderfoot Trail
Intermediate Intermediate
Boulder, CO
Intermediate Intermediate
Boulder, CO
2.6 mi 4.2 km Chapman Drive
Easy/Intermediate Easy/Intermediate
Boulder, CO
Easy/Intermediate Easy/Intermediate
Boulder, CO
1.8 mi 2.8 km Long Canyon Trail
Intermediate/Difficult Intermediate/Difficult
Boulder, CO
Intermediate/Difficult Intermediate/Difficult
Boulder, CO 10 
1.7 mi 2.7 km Jemison Park Trail
Easy Easy
Mountain Brook, AL
Easy Easy
Mountain Brook, AL
2.3 mi 3.7 km Second-Third Flatiron Mesa Loop
Intermediate/Difficult Intermediate/Difficult
Boulder, CO
Intermediate/Difficult Intermediate/Difficult
Boulder, CO 16 
3.4 mi 5.5 km Royal Arch Out and Back
Difficult Difficult
Boulder, CO
Difficult Difficult
Boulder, CO 176 
4.8 mi 7.7 km East Tensleep Lake Trail #068
Intermediate/Difficult Intermediate/Difficult
Buffalo, WY
Intermediate/Difficult Intermediate/Difficult
Buffalo, WY
0.9 mi 1.4 km Chasm Lake Trail
Difficult Difficult
Estes Park, CO
Difficult Difficult
Estes Park, CO 10 

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