Sandra Marin > Trail Favorites List

2.3 mi 3.6 km Niwot Loop - Niwot High School Trail Easy Niwot, CO	Easy	Niwot, CO	2
5.7 mi 9.2 km Bear Peak Out and Back Difficult Boulder, CO	Difficult	Boulder, CO	150
3.3 mi 5.3 km Anne U. White Trail Easy/Intermediate Boulder, CO	Easy/Intermediate	Boulder, CO	9
3.4 mi 5.5 km Royal Arch Out and Back Difficult Boulder, CO	Difficult	Boulder, CO	176
0.3 mi 0.5 km Bear Peak Summit Trail Difficult Boulder, CO	Difficult	Boulder, CO	6
3.6 mi 5.9 km Diamond Lake Trail Intermediate Nederland, CO	Intermediate	Nederland, CO	21
2.1 mi 3.4 km Hogback Ridge Loop Intermediate Boulder, CO	Intermediate	Boulder, CO	28
0.4 mi 0.7 km Amphitheater Trail Difficult Boulder, CO	Difficult	Boulder, CO	5
1.1 mi 1.8 km Shadow Canyon Difficult Boulder, CO	Difficult	Boulder, CO	18
1.4 mi 2.2 km Fern Canyon Trail Difficult Boulder, CO	Difficult	Boulder, CO	19
0.9 mi 1.5 km Royal Arch Trail Intermediate/Difficult Boulder, CO	Intermediate/Difficult	Boulder, CO	21
2.4 mi 3.9 km Flagstaff Summit Loop Intermediate Boulder, CO	Intermediate	Boulder, CO	22
1.3 mi 2.0 km Mount Sanitas Trail Difficult Boulder, CO	Difficult	Boulder, CO	30
3.9 mi 6.3 km Green Mountain West Ridge Intermediate Boulder, CO	Intermediate	Boulder, CO	44
0.6 mi 1.0 km First-Second Flatiron Trail Difficult Boulder, CO	Difficult	Boulder, CO	62
3.2 mi 5.2 km Mount Sanitas Loop Intermediate/Difficult Boulder, CO	Intermediate/Difficult	Boulder, CO	127

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