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Andrew Frayling > Trail Favorites List

15.7 mi 25.2 km High Lonesome Loop
Intermediate/Difficult
Nederland, CO
Intermediate/Difficult
15.7 mi 25.2 km Nederland, CO 68 
9.8 mi 15.7 km Hall Ranch Loop
Intermediate
Lyons, CO
Intermediate
9.8 mi 15.7 km Lyons, CO 22 
3.2 mi 5.2 km Mount Sanitas Loop
Intermediate/Difficult
Boulder, CO
Intermediate/Difficult
3.2 mi 5.2 km Boulder, CO 103 
5.3 mi 8.5 km Open Sky Loop
Easy
Niwot, CO
Easy
5.3 mi 8.5 km Niwot, CO