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Routes
Cycling routes
United States
California
Marin County

Blithedale Summit Open Space Preserve

Routes
Cycling routes
United States
California
Marin County

Blithedale Summit Open Space Preserve

The best traffic-free bike rides in Blithedale Summit Open Space Preserve

4.5

(430)

7,009

riders

53

rides

No traffic touring cycling routes in Blithedale Summit Open Space Preserve traverse 639 acres along Mount Tamalpais's northern ridge in Marin County. The preserve features a diverse landscape, ranging from deep redwood and Douglas-fir forests to dense chaparral and open grasslands. Its well-maintained fire roads provide accessible paths for touring cyclists, offering a mix of gentle climbs and more challenging ascents. Higher elevations within the preserve offer expansive views of the Marin Headlands and San Francisco Bay.

Best no trafficโ€ฆ

Last updated: July 10, 2026

5.0

(2)

61

riders

#1.

Phoenix Lake to Bon Tempe Lake loop

33.3km

02:37

430m

430m

Cycle a moderate 20.7-mile loop around Phoenix and Bon Tempe Lakes, enjoying diverse terrain, scenic views, and wildlife spotting.

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Moderate

Cycle 11.4 miles (18.4 km) to Tennessee Beach via Sausalito-Mill Valley Trail, a moderate route with ocean views in Marin Headlands.

Moderate
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The West Point Inn โ€“ Pantoll Road loop from Mill Valley offers a rigorous touring cycling experience, perfect for those who thrive on challenging ascents and long rides. This difficultโ€ฆ

Hard

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

Hard

If you're seeking a serious workout on two wheels, the Blithedale Ridge Fire Rd โ€“ Vic Haun Trail loop from Mill Valley delivers a challenging touring cycling experience. This difficultโ€ฆ

Hard
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Popular around Blithedale Summit Open Space Preserve

Traffic-free bike rides in Blithedale Summit Open Space Preserve

Traffic-free bike rides in Blithedale Summit Open Space Preserve

Tips from the Community

Gianmaria
March 15, 2026, View of the City Skyline

Climbing up Mount Tamalpais, you'll find many great spots for admiring the scenery, but this one particularly struck me because, almost immersed in nature, you can see the city skyline in the distance. I found it so moving that I stopped my bike and stood there contemplating the landscape for a few minutes. The climb is a bit steep, but it's definitely worth it!

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nice views of Mt Tam

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Eric Cross
August 10, 2025, Phoenix Lake

log cabin at phoenix lake

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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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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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Campground with water fountain

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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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The Pantoll Campground is a First-come/first-serve site in Mt. Tamalpais State Park. Each site has a barbeque grill, a fire ring, and a picnic table. You need to pay for the site at the Ranger Station as you enter the park.

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Frequently Asked Questions

How many no traffic touring cycling routes are available in Blithedale Summit Open Space Preserve?

Komoot offers nearly 60 dedicated touring cycling routes in Blithedale Summit Open Space Preserve that prioritize low-traffic or traffic-free sections. These routes range in difficulty from easy to difficult, ensuring options for various skill levels.

What are the best routes for beginners or families looking for easy, no-traffic cycling?

For an easy and steady ascent through redwood forests, the Old Railroad Grade is highly recommended. While not a specific komoot route listed here, it's a key feature of the preserve known for its gentle slope and accessibility. Many routes incorporate sections of this historic path. For a moderate option, consider the Tennessee Beach via Sausalito-Mill Valley Trail, which offers a pleasant ride with minimal elevation gain.

Are there any routes with significant elevation gain for a more challenging no-traffic touring experience?

Yes, for those seeking a more challenging ride, routes like the Mount Tamalpais East Peak โ€“ Pantoll Road loop from Mill Valley offer substantial elevation gain, climbing nearly 900 meters. The Blithedale Ridge Fire Road also provides a good workout with its 'roller coaster' uphills and downhills, often incorporated into longer, more difficult tours.

What kind of terrain can I expect on the no-traffic touring cycling routes?

The routes primarily utilize well-maintained fire roads, which are ideal for touring cyclists. You'll encounter diverse terrain, from deep redwood and Douglas-fir forests to dense chaparral and open grasslands. Some trails, like the Maytag Trail, offer cool shade, while others provide open, panoramic views.

What natural features or attractions can I see along the routes?

Blithedale Summit Open Space Preserve is rich in natural beauty. You can expect panoramic views of the Marin Headlands, San Francisco Bay, and surrounding hills from higher elevations. During the rainy season, you might spot mini-waterfalls. The preserve also features diverse habitats with California bay, coast live oak, and madrone trees. Specific highlights include the Dawn Falls Trail and the scenic Blithedale Ridge Fire Rd.

Are there any loop routes available for touring cyclists?

Yes, several loop routes are available. A popular moderate option is the Phoenix Lake to Bon Tempe Lake loop, which covers over 33 kilometers. For a more challenging loop, consider the Mount Tamalpais East Peak โ€“ Pantoll Road loop from Mill Valley.

What do other touring cyclists enjoy most about cycling in Blithedale Summit Open Space Preserve?

The area is highly rated by the komoot community, with an average score of 4.7 stars from over 260 ratings. Reviewers often praise the stunning panoramic views, the well-maintained fire roads suitable for touring, and the peaceful, traffic-free environment that allows for an immersive outdoor experience.

When is the best time of year to go touring cycling in Blithedale Summit Open Space Preserve?

The preserve is enjoyable year-round, but spring offers the added beauty of blooming lilies and the melodic songs of wrens. The cooler months and early mornings are ideal for avoiding heat, especially on more exposed sections. During the rainy season, seasonal streams and mini-waterfalls add to the charm, though some trails might be muddier.

Are there connections to other open spaces for longer touring adventures?

Yes, Blithedale Summit is the largest in a chain of preserves that follow Mount Tamalpais's north ridge. It seamlessly connects with other open spaces like Baltimore Canyon, Camino Alto, and King Mountain, providing access to a larger trail system, including a section of the 550-mile Bay Area Ridge Trail. This connectivity allows for extended touring adventures beyond the immediate preserve boundaries.

Where can I find parking for these no-traffic touring cycling routes?

Many cyclists start their journeys from downtown Mill Valley, which offers various parking options. Specific trailheads within or near the preserve may also have designated parking areas. It's advisable to check local regulations for parking availability and restrictions before your visit.

Are there any routes that pass by lakes or water features?

Yes, the Phoenix Lake to Bon Tempe Lake loop is an excellent option that takes you past two beautiful lakes. Additionally, during the rainy season, many trails follow alongside seasonal streams that feed into Corte Madera Creek, and you might encounter mini-waterfalls.

Can I access these routes using public transport?

While direct public transport to every trailhead might be limited, Mill Valley, a common starting point for many routes, is accessible by public transport. From there, you can cycle to the preserve's entry points. Checking local bus schedules for Marin County would provide the most up-to-date information on public transport options to the vicinity of the preserve.

Most popular routes in Blithedale Summit Open Space Preserve

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