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Marin County

White Hill Open Space Preserve

The best gravel rides in White Hill Open Space Preserve

4.0

(4)

148

riders

26

rides

Gravel biking in White Hill Open Space Preserve offers an extensive network of trails, primarily multi-use fire roads, suitable for various skill levels. The terrain features rolling hills, open grasslands, and shaded woodlands, providing a dynamic riding experience. The preserve connects to adjacent areas like Cascade Canyon and Loma Alta, forming a larger regional trail system. Higher elevations, such as the summit of White Hill, provide 360-degree views of surrounding peaks and Marin County ridges.

Best gravel bike trails in…

Last updated: July 15, 2026

3.0

(1)

8

riders

#1.

Fairfax – Alpine Lake - Bon Tempe Dam loop from Fairfax

38.6km

03:35

950m

940m

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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Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

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

Hard

4.0

(2)

36

riders

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

Hard
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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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Mount Tam East Peak offers some of the most majestic views north of the bay. From this vantage point, you can see all of Marin, along with Point Reyes to the north and Oakland and San Francisco to the south. The stunning panoramic vistas make the journey well worth the effort. There are restrooms and picnic tables, ideal for a snack or lunch while you capture some incredible photos.

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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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Often busy on weekends, this is a great spot to take moment before/after summiting Mt Tam. There are spigots to fill up water and bathrooms that are open during park hours. The parking lot is very close for those that drive up. There is access to MANY trails for those on foot/bike.

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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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oliviakellis
September 15, 2024, Bon Tempe Lake

West of Lake Lagunitas, Bon Tempe Lake is a reservoir managed by Marin Municipal Water District. It features striking scenery, with lush trees, clear water, and a peaceful atmosphere.

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Frequently Asked Questions

How many gravel bike trails are available in White Hill Open Space Preserve?

White Hill Open Space Preserve offers around 25 gravel biking routes, catering to various skill levels. You'll find a good mix of moderate and difficult trails to explore the diverse landscapes.

What kind of terrain can I expect on the gravel bike trails in White Hill Open Space Preserve?

The terrain in White Hill Open Space Preserve is quite varied, featuring rolling hills, open grasslands, and shaded woodlands. Trails primarily consist of multi-use fire roads, providing a dynamic riding experience through diverse ecosystems like oak woodlands and chaparral-covered hills.

Are there any family-friendly gravel biking options in White Hill Open Space Preserve?

While many routes are moderate to difficult, the preserve's extensive network of fire roads offers options for different ability levels. For a more accessible experience, look for routes described as moderate, which might be suitable for families with some biking experience. Always check the route details for elevation and distance before heading out.

What are some notable viewpoints or natural features to look out for while gravel biking?

The summit of White Hill, at 1,430 feet, offers outstanding 360-degree views of Mount Diablo, Mount Tamalpais, and other Marin County ridges. You'll also find scenic vistas along the Blue Ridge Fire Road. The preserve is rich in diverse ecosystems, including beautiful coast live oak and California bay woods, and even redwood stands in certain areas. In spring, you can enjoy vibrant displays of native wildflowers.

What do other gravel bikers enjoy most about riding in White Hill Open Space Preserve?

The area is highly rated by the komoot community, with an average score of 4.7 stars. Over 160 gravel bikers have used komoot to explore the preserve, often praising its varied terrain, the extensive network of trails connecting to adjacent preserves, and the rewarding panoramic views from higher elevations.

Are there any circular gravel bike routes in the preserve?

Yes, many of the gravel biking routes in White Hill Open Space Preserve are designed as loops. For example, the 680 Trail – Gestalt Haus loop from Fairfax is a popular option, as is the Phoenix Lake – Fish Gulch trail junction loop from Fairfax, offering a complete circular experience.

What is the best time of year to go gravel biking in White Hill Open Space Preserve?

The preserve offers enjoyable riding conditions throughout much of the year. Spring is particularly beautiful with wildflowers in bloom. Fall and winter can also be excellent, though some trails might be muddy after heavy rains. Summers are generally warm, so early morning or late afternoon rides are often preferred.

Is there parking available for gravel bikers at White Hill Open Space Preserve?

Yes, there are various access points and parking areas around White Hill Open Space Preserve. Many routes start from Fairfax, where you can typically find parking options. It's always a good idea to check the specific starting point of your chosen route for the most convenient parking.

Can I access White Hill Open Space Preserve by public transport for gravel biking?

While direct public transport to every trailhead might be limited, the preserve is accessible from nearby towns like Fairfax, which may have public transport connections. Planning your route to start from a town center can often make public transport a viable option for reaching the general area.

Are there any challenging gravel bike routes for experienced riders?

Absolutely. White Hill Open Space Preserve offers several challenging routes with significant elevation gain. For instance, the Fish Gulch trail junction – Hoo-Koo-E-Koo Fire Road Trail loop from Fairfax is a longer, more demanding option, and the Fairfax – Big Rock Ridge loop from Fairfax also presents a substantial challenge for advanced riders.

Are dogs allowed on the gravel bike trails in White Hill Open Space Preserve?

White Hill Open Space Preserve is generally dog-friendly, allowing dogs on many of its multi-use trails. However, regulations can vary, so it's always best to check specific trail signage or the official preserve website for the most current rules regarding dogs, especially leash requirements.

Does White Hill Open Space Preserve connect to other trail systems?

Yes, White Hill Open Space Preserve is a crucial link in a larger regional trail network. It connects to adjacent preserves such as Cascade Canyon, Gary Giacomini, and Loma Alta, allowing for longer and more diverse expeditions beyond the preserve's boundaries.

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