Arturo Lopez > Trail Favorites List

14.0 mi 22.5 km Downieville Classic Difficult Downieville, CA	Difficult	Downieville, CA	136
14.9 mi 23.9 km Lucas Valley Loop Intermediate/Difficult Lucas Valley-Marinwood, CA	Intermediate/Difficult	Lucas Valley-Marinwood, CA	26
14.3 mi 23.1 km Marin Three Lakes Loop Intermediate Ross, CA	Intermediate	Ross, CA	37
9.4 mi 15.2 km Rancho San Vicente and Calero Park Intermediate Almaden Valley, CA	Intermediate	Almaden Valley, CA	153
11.5 mi 18.4 km El Corte Madera Open Space Loop Intermediate/Difficult Portola Valley, CA	Intermediate/Difficult	Portola Valley, CA	121

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