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Routes
MTB trails
United States
California
Marin County

Old Saint Hilary'S Open Space Preserve

Routes
MTB trails
United States
California
Marin County

Old Saint Hilary'S Open Space Preserve

The best MTB trails in Old Saint Hilary'S Open Space Preserve

4.7

(110)

1,153

riders

45

rides

Mountain biking in Old Saint Hilary'S Open Space Preserve offers routes through a landscape characterized by rolling hills, open grasslands, and panoramic views of the surrounding Marin County. The preserve features a mix of well-maintained trails suitable for various skill levels, often providing glimpses of the San Francisco Bay. These mountain bike trails navigate diverse terrain, from gentle slopes to more challenging ascents.

Best mountain bike trails in Old Saint Hilary'S Open Space Preserve

  • The most popular mountain bike trail…

Last updated: April 27, 2026

5.0

(1)

14

riders

#1.

Angel Island Perimeter Loop

15.3km

01:15

290m

290m

Enjoy an easy 9.5-mile mountain bike loop on Angel Island, offering stunning panoramic views of the San Francisco Bay Area.

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Easy

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Popular around Old Saint Hilary'S Open Space Preserve

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Gravel biking in Old Saint Hilary'S Open Space Preserve

Tips from the Community

Traveler
August 31, 2025, Corte Madera–Larkspur Path

Corte Madera Larkspur Path crosses bike trails along canals, car free

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Redwood-San Andreas Wetlands overlooks at the crossing of three bike trails

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the typical boat houses north of San Francisco

Translated by Googleβ€’

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While the wide gravel fire road of Miwok Trail continues along the ridge, a singletrack Laurel Canyon trail drops to the east and Miwok Cutoff Trail to the west stays more on contour. Great views open up to the Bay and Mill Valley Bridge in the east.

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About halfway paved, half gravel, the road continues past a vehicle gate as a biker/hiker-only trail, following the gradual valley curving down to the coast along a lush meadow with a little creek.

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Starkly blue lake at the end of the valley narrowing here before reaching the beach. Surrounded by lush green grasses, bushes, and almost no trees.

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At the end of the gradual Tennessee Valley Road, the last mile or so unpaved but smooth gravel, awaits the natural sandy wide beach cove. The steep coastal trails climbing on either side are hiking only.

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Geodesic point at the top of Coyote Ridge, with panoramic views across the Marin Headlands, with low brush offering views down toward the coast

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Frequently Asked Questions

How many mountain bike trails are available in Old Saint Hilary'S Open Space Preserve?

There are over 45 mountain bike trails in Old Saint Hilary'S Open Space Preserve, offering a variety of options for different skill levels.

What are the difficulty levels of mountain bike trails in Old Saint Hilary'S Open Space Preserve?

The preserve offers a good mix of trails: 14 are rated easy, 27 are moderate, and 6 are considered difficult. This ensures options for beginners to experienced riders.

Are there easy mountain bike trails suitable for beginners or families?

Yes, Old Saint Hilary'S Open Space Preserve has 14 easy mountain bike trails. A great option for a relaxed ride with continuous bay views is the Angel Island Perimeter Loop, which is about 9.5 miles long.

Are there any advanced mountain bike routes for experienced riders?

For more experienced riders seeking a challenge, there are 6 difficult mountain bike routes within the preserve. These trails often feature more significant ascents and varied terrain.

What is the best time of year for mountain biking in Old Saint Hilary'S Open Space Preserve?

Mountain biking in Old Saint Hilary'S Open Space Preserve is enjoyable year-round. The mild Bay Area climate means trails are generally accessible, though conditions can vary after heavy winter rains. Spring and fall offer particularly pleasant temperatures.

Are there loop mountain bike trails in Old Saint Hilary'S Open Space Preserve?

Yes, many of the trails are loops, providing diverse scenery without retracing your path. For example, the Tennessee Valley Lagoon – Tennessee Beach loop from Sausalito offers coastal views and a lagoon, while the Sausalito Houseboats – Coyote Ridge Summit loop from Sausalito includes a summit climb.

What kind of views can I expect along the mountain bike routes?

The trails in Old Saint Hilary'S Open Space Preserve are known for their panoramic views. You can expect rolling hills, open grasslands, and frequent glimpses of the San Francisco Bay and surrounding Marin County. Many routes offer stunning coastal scenery.

What do other mountain bikers enjoy most about the trails here?

The area is highly rated by the komoot community, with an average score of 4.8 stars from over 160 reviews. Reviewers often praise the diverse terrain, the stunning bay views, and the well-maintained trails suitable for various ability levels.

Are there mountain bike trails that offer coastal scenery?

Absolutely. Many routes provide beautiful coastal scenery. The Tennessee Valley Lagoon – Tennessee Beach loop from Sausalito is a great example, featuring picturesque coastal views and a lagoon.

Can I find mountain bike routes that include a summit climb?

Yes, some routes offer challenging ascents to summits with rewarding views. The Sausalito Houseboats – Coyote Ridge Summit loop from Sausalito is a popular choice for those looking to conquer a summit.

Are there any mountain bike trails near Sausalito?

Several excellent mountain bike trails are easily accessible from Sausalito. Options include the Tennessee Valley Lagoon – Tennessee Beach loop from Sausalito and the Sausalito β€” Mill Valley Path – Marincello Trail loop from Sausalito, both offering distinct experiences.

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