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Gravel rides
United States
California
Marin County

French Ranch Open Space Preserve

The best traffic-free bike rides in French Ranch Open Space Preserve

3.5

(3)

77

riders

12

rides

Gravel biking in French Ranch Open Space Preserve offers diverse landscapes across 403 acres in Marin County, featuring multiuse fire roads suitable for cycling. The preserve is characterized by deep, forested canyons with redwood and oak groves, ascending to ridges that provide expansive valley overlooks. Riders will encounter varied terrain, including areas with unique serpentine soil and sections of the Lagunitas Creek watershed.

Best no traffic gravel bike trails in French Ranch Open Space Preserve

  • The most popular no traffic…

Last updated: May 30, 2026

3

riders

#1.

Loma Alta Summit – 680 Trail loop from Marin

15.9km

01:33

490m

500m

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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4.0

(2)

35

riders

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Popular around French Ranch Open Space Preserve

Traffic-free bike rides in French Ranch Open Space Preserve

Tips from the Community

serge 🚶🐉😊🇧🇪
October 12, 2025, Marin Museum of Bicycling

An absolute must-see for cycling enthusiasts! This museum in Fairfax tells the story of nearly 200 years of cycling history, from 19th-century velocipedes to modern racing bikes. It's also home to the Mountain Bike Hall of Fame, featuring unique specimens and stories about the pioneers of mountain biking. The collection is impressive and authentic—no replicas, but real bicycles that showcase the evolution of technology and design. An inspiring place where you can truly feel the passion for cycling.

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Andrus
May 26, 2025, Alpine Dam

Constructed in 1917 this dam forms Alpine Lake, which sites between Kent and Bon Tempe Lakes. The road across the top of the dam make it a great place to ride on a loop around the lake.

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Andrus
May 25, 2025, Alpine Lake

This lake was formed by the building of Alpine Dam in 1917. It sits between Kent Lake and Bon Tempe Lake, and is popular for a variety of outdoor activities.

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Alex
May 19, 2025, 680 Trail

The 680 Trail in Marin County has access points at the end of Manuel T. Freitas Parkway via the Mission Pass Bike Path and Fawn Drive. The terrain is fun, rolling trails.

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At the junction of Chicken Shack Fire Road and Ponti Ridge Trail. There are benches, a great view, and trail markers.

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At this point on Sky Oaks Road, there is a junction with Shaver Grade Road, which connects with a dense network of trails and dirt roads near Bald Hill in the Mount Tamalpais State Park. From here, you can continue on the paved Sky Oaks Road or go arond the gate on to the gravel Shaver Grade Road.

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Good supporter of Marin Biking and nice lot to start your ride from and have a beer after

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Steep heading West can have traffic on SFD

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Frequently Asked Questions

How many traffic-free gravel bike trails are available in French Ranch Open Space Preserve?

French Ranch Open Space Preserve offers a good selection of traffic-free gravel bike trails, with 11 routes currently available on komoot. These trails primarily utilize the preserve's multiuse fire roads, providing ample opportunities for gravel cyclists to explore the diverse landscapes.

What is the best time of year for gravel biking in French Ranch Open Space Preserve?

The preserve is enjoyable year-round, but spring and fall offer ideal conditions with mild temperatures and vibrant scenery. During the rainy season, you might encounter more active wildlife like salamanders and snails, and spring brings an array of wildflowers. The forested canyons and redwood groves, especially around Roy's Redwoods, offer refreshing cool temperatures even during summer.

Are there any family-friendly gravel biking options in French Ranch Open Space Preserve?

While many routes are rated moderate to difficult, the preserve's multiuse fire roads generally provide a stable surface. For a family-friendly experience, consider shorter sections of these fire roads. Always check the specific route details for elevation and distance to ensure it matches your family's ability. The area around Roy's Redwoods Open Space Preserve might offer gentler terrain suitable for a more relaxed ride.

What kind of terrain can I expect on the gravel bike trails?

You can expect a mix of terrains, predominantly multiuse fire roads which are ideal for gravel biking. These routes often ascend to ridges offering expansive valley views and pass through deep, forested canyons with Douglas fir, redwood, oak, and tanoak trees. Some areas, particularly the western end, feature unique serpentine soil, adding an interesting ecological dimension.

What are some notable natural features or attractions to see along the trails?

The preserve is rich in natural beauty. You can ride through majestic redwood groves, particularly near Roy's Redwoods Open Space Preserve, which is famous for being a Star Wars filming location. Ascend to Moon Hill Summit for panoramic views, or explore sections of the Roy's Redwoods Loop Trail. The preserve is also part of the Lagunitas Creek watershed, home to diverse wildlife.

Are there any circular gravel bike routes in the preserve?

Yes, many of the gravel bike routes in and around French Ranch Open Space Preserve are designed as loops. For example, the challenging Loma Alta Summit – 680 Trail loop from Marin County offers a circular experience with significant elevation gain. Another option is the Fairfax – Gestalt Haus loop from Fairfax.

What is the difficulty level of the gravel bike trails?

The gravel bike trails in French Ranch Open Space Preserve range from moderate to difficult. Out of the 11 routes, 3 are rated moderate and 8 are rated difficult. Routes like the Phoenix Lake – Fish Gulch trail junction loop from Fairfax are considered moderate, while longer rides such as the Alpine Dam – Alpine Lake loop from Sleepy Hollow present a significant challenge with over 1000 meters of elevation gain.

Where can I park when visiting French Ranch Open Space Preserve for gravel biking?

While specific parking areas within the preserve are not detailed, access points often exist near the eastern start of gravel trails along Sir Francis Drake Blvd. It's advisable to check local regulations and designated parking areas in nearby towns like Woodacre or Fairfax, which serve as common starting points for rides into the preserve.

What do other gravel bikers enjoy most about French Ranch Open Space Preserve?

The area is highly rated by the komoot community, with an average score of 4.0 stars. Reviewers often praise the preserve's quiet, traffic-free fire roads, the stunning views from ridge overlooks, and the unique experience of riding through ancient redwood groves. The diverse terrain and challenging climbs are also frequently highlighted by experienced riders.

Are there any long-distance gravel biking routes available?

Yes, for those seeking a longer adventure, French Ranch Open Space Preserve and its surrounding areas offer extensive routes. The Alpine Dam – Alpine Lake loop from Sleepy Hollow is a challenging 65.8 km route, while the Fairfax – Alpine Lake - Bon Tempe Dam loop from Fairfax covers 38.5 km, both providing significant distances and elevation for experienced gravel bikers.

Is public transport an option to reach the gravel trails?

Public transport options directly to the trailheads within French Ranch Open Space Preserve may be limited. It is generally recommended to plan your trip by car to reach the main access points or starting towns like Woodacre or Fairfax, from where you can cycle into the preserve. Always check local transit schedules for the most up-to-date information.

Most popular routes in French Ranch Open Space Preserve

Family-friendly hikes in French Ranch Open Space Preserve

Most popular attractions in French Ranch Open Space Preserve

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