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Lucas Valley Loop
Intermediate/Difficult Intermediate/Difficult
23.9 km 14.9 mi Lucas Valley-Marinwood, CA 26 
Lucas Valley Loop
Avg Rating
Intermediate/Difficult Intermediate/Difficult

Jackson's Rating
Intermediate Intermediate
Loma Alta Fire Road
Intermediate Intermediate
4.1 km 2.5 mi Lucas Valley-Marinwood, CA 4 
Loma Alta Fire Road
Avg Rating
Intermediate Intermediate

Jackson's Rating
Intermediate Intermediate
Big Rock Trail
Intermediate Intermediate
4.2 km 2.6 mi Lucas Valley-Marinwood, CA 9 
Big Rock Trail
Avg Rating
Intermediate Intermediate

Jackson's Rating
Intermediate Intermediate
Eldridge Grade
Intermediate/Difficult Intermediate/Difficult
9.4 km 5.8 mi Kentfield, CA 19 
Eldridge Grade
Avg Rating
Intermediate/Difficult Intermediate/Difficult

Jackson's Rating
Intermediate Intermediate
Old Railroad Grade
Intermediate Intermediate
11.5 km 7.1 mi Mill Valley, CA 20 
Old Railroad Grade
Avg Rating
Intermediate Intermediate

Jackson's Rating
Intermediate Intermediate
Windy Ridge Trail
Intermediate Intermediate
0.7 km 0.5 mi Kentfield, CA 3 
Windy Ridge Trail
Avg Rating
Intermediate Intermediate

Jackson's Rating
Intermediate Intermediate
Whittemore Gulch Trail
Intermediate Intermediate
3.6 km 2.2 mi Half Moon Bay, CA 17 
Whittemore Gulch Trail
Avg Rating
Intermediate Intermediate

Jackson's Rating
Oat Hill Mine Trail
Difficult Difficult
26.8 km 16.6 mi Calistoga, CA 52 
Oat Hill Mine Trail
Avg Rating
Difficult Difficult

Jackson's Rating
Very Difficult Very Difficult
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