San Geronimo Ridge Fire Road extends from Peter’s Dam to the end of Samuel P Taylor State Park, making it among the most scenic (and longest) fire roads in Marin.
Hikers, bicyclists, and equestrians wishing to link together longer outings use this gravel dirt road that connects with White’s Hill and Cascade Canyon preserves, as well as many popular trails and roads in the MMWD watershed. It runs on a ridge with spectacular views above Kent Lake to the west and for about 5 miles through Gary Giacomini Open Space Preserve to the east.

brucehamilton8758

9. oktober 2025

Mountainbiking på elcykel

Quite a bit of elevation climbing on this loop, sure does help having a class 1 e-bike at 67 yrs. Loved the ride!

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Bedste ruter nær San Geronimo Ridge

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#1.

Marin Fire Road loop — Gary Giacomini Open Space Preserve

34,9km

03:40

970m

This difficult 21.7-mile mountain biking loop offers challenging climbs, rewarding descents, and diverse scenery in the Mount Tamalpais Wate

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Afstand 10,1 km

Opstigning 460 m

Nedstigning 100 m

Vejr

Drevet af Foreca

I dag

onsdag 15. april

17°C

5°C

0 %

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Maks. vindhastighed: 22,0 km/h

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Placering: San Geronimo, Marin County, Californien, Amerikas Forenede Stater

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Fairfax—Bolinas Road

San Geronimo Ridge

#1.

Marin Fire Road loop — Gary Giacomini Open Space Preserve

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