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Porcupine Trail
Intermediate Intermediate
0.6 km 0.4 mi Woodacre, CA 8 
Porcupine Trail
Avg Rating
Intermediate Intermediate

Sir's Rating
Intermediate Intermediate
Lake Lagunitas Loop Trail
Easy Easy
2.2 km 1.4 mi Kentfield, CA 3 
Lake Lagunitas Loop Trail
Avg Rating
Easy Easy

Sir's Rating
Sky Oaks Road
Easy Easy
3.4 km 2.1 mi Fairfax, CA 3 
Sky Oaks Road
Avg Rating
Easy Easy

Sir's Rating
Lakeview Road
Intermediate Intermediate
2.0 km 1.2 mi Kentfield, CA 5 
Lakeview Road
Avg Rating
Intermediate Intermediate

Sir's Rating
Marin Three Lakes Loop
Intermediate Intermediate
23.1 km 14.3 mi Ross, CA 39 
Marin Three Lakes Loop
Avg Rating
Intermediate Intermediate

Sir's Rating
Intermediate Intermediate
Old Stage Road
Easy/Intermediate Easy/Intermediate
3.2 km 2.0 mi Mill Valley, CA 4 
Old Stage Road
Avg Rating
Easy/Intermediate Easy/Intermediate

Sir's Rating
Easy/Intermediate Easy/Intermediate
Hoo-Koo-E-Koo Fire Road
Intermediate Intermediate
3.2 km 2.0 mi Kentfield, CA 9 
Hoo-Koo-E-Koo Fire Road
Avg Rating
Intermediate Intermediate

Sir's Rating
Intermediate Intermediate
Indian Fire Road
Intermediate/Difficult Intermediate/Difficult
2.3 km 1.4 mi Kentfield, CA 8 
Indian Fire Road
Avg Rating
Intermediate/Difficult Intermediate/Difficult

Sir's Rating
Intermediate/Difficult Intermediate/Difficult
Mt Tam Summit Loop
Intermediate Intermediate
26.2 km 16.3 mi Mill Valley, CA 63 
Mt Tam Summit Loop
Avg Rating
Intermediate Intermediate

Sir's Rating
Intermediate Intermediate
Bobcat Trail
Intermediate Intermediate
4.7 km 2.9 mi Marin City, CA 9 
Bobcat Trail
Avg Rating
Intermediate Intermediate

Sir's Rating
Intermediate Intermediate
Marincello Trail
Intermediate Intermediate
2.4 km 1.5 mi Tamalpais-Homestead Valley, CA 7 
Marincello Trail
Avg Rating
Intermediate Intermediate

Sir's Rating
Tennessee Valley Trail
Easy Easy
3.0 km 1.9 mi Tamalpais-Homestead Valley, CA 6 
Tennessee Valley Trail
Avg Rating
Easy Easy

Sir's Rating
Old Springs Trail
Intermediate Intermediate
2.2 km 1.4 mi Marin City, CA 15 
Old Springs Trail
Avg Rating
Intermediate Intermediate

Sir's Rating
Miwok Trail: Bunker Rd to Wolf Ridge
Intermediate Intermediate
3.2 km 2.0 mi Marin City, CA 10 
Miwok Trail: Bunker Rd to Wolf Ridge
Avg Rating
Intermediate Intermediate

Sir's Rating
Intermediate Intermediate
San Geronimo Ridge Road
Intermediate/Difficult Intermediate/Difficult
10.7 km 6.6 mi Woodacre, CA 10 
San Geronimo Ridge Road
Avg Rating
Intermediate/Difficult Intermediate/Difficult

Sir's Rating
Intermediate/Difficult Intermediate/Difficult
Pine Mountain Fire Road
Intermediate/Difficult Intermediate/Difficult
14.6 km 9.1 mi Fairfax, CA 15 
Pine Mountain Fire Road
Avg Rating
Intermediate/Difficult Intermediate/Difficult

Sir's Rating
Intermediate/Difficult Intermediate/Difficult
Kent Pump Road
Easy/Intermediate Easy/Intermediate
7.2 km 4.5 mi Bolinas, CA 7 
Kent Pump Road
Avg Rating
Easy/Intermediate Easy/Intermediate

Sir's Rating
Easy/Intermediate Easy/Intermediate
Shaver Grade
Intermediate Intermediate
2.8 km 1.8 mi Fairfax, CA 7 
Shaver Grade
Avg Rating
Intermediate Intermediate

Sir'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

Sir's Rating
Big Rock Trail
Intermediate Intermediate
4.2 km 2.6 mi Lucas Valley-Marinwood, CA 10 
Big Rock Trail
Avg Rating
Intermediate Intermediate

Sir's Rating
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