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9.8 mi 15.7 km Hall Ranch Loop
Intermediate/Difficult Intermediate/Difficult
Lyons, CO
Intermediate/Difficult Intermediate/Difficult
Lyons, CO 31 
18.8 mi 30.3 km Hell Canyon Loop
Very Difficult Very Difficult
Grand Lake, CO
Very Difficult Very Difficult
Grand Lake, CO 20 
6.4 mi 10.2 km Mount Flora
Intermediate/Difficult Intermediate/Difficult
Winter Park, CO
Intermediate/Difficult Intermediate/Difficult
Winter Park, CO 44 
26.6 mi 42.8 km North Inlet/Tonohutu Creek Loop
Difficult Difficult
Grand Lake, CO
Difficult Difficult
Grand Lake, CO 18 
26.5 mi 42.6 km Pawnee-Buchanan Loop
Difficult Difficult
Nederland, CO
Difficult Difficult
Nederland, CO 67 
12.6 mi 20.3 km CDT: Monarch Lake to Grand Lake (CO Sec. 35)
Intermediate Intermediate
Grand Lake, CO
Intermediate Intermediate
Grand Lake, CO
14.9 mi 24.0 km Monarch Lake to Crater Lake
Intermediate/Difficult Intermediate/Difficult
Granby, CO
Intermediate/Difficult Intermediate/Difficult
Granby, CO 112 
5.3 mi 8.5 km Mount Sanitas via Sunshine Lion's Lair Loop
Intermediate Intermediate
Boulder, CO
Intermediate Intermediate
Boulder, CO 144 
3.3 mi 5.4 km Emerald Lake
Intermediate Intermediate
Estes Park, CO
Intermediate Intermediate
Estes Park, CO 364 
5.7 mi 9.2 km Bear Peak Out and Back
Difficult Difficult
Boulder, CO
Difficult Difficult
Boulder, CO 150 
8.3 mi 13.3 km Sky Pond
Difficult Difficult
Estes Park, CO
Difficult Difficult
Estes Park, CO 321 
27.1 mi 43.6 km Four Pass Loop
Difficult Difficult
Snowmass Village, CO
Difficult Difficult
Snowmass Village, CO 216 
23.2 mi 37.3 km Longs Peak Valley Loop
Difficult Difficult
Estes Park, CO
Difficult Difficult
Estes Park, CO 14 
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