4.6
(444)
6,848
riders
36
rides
No traffic touring cycling routes in Horse Hill Open Space Preserve traverse a landscape characterized by rolling hills and expansive open spaces. The preserve offers diverse trails, including dedicated bike paths and fire roads, many with moderate elevation changes. Cyclists can experience panoramic views of the San Francisco skyline, Richardson Bay, and Mount Tamalpais. The area also features unique horse pastures and seasonal springs, adding to its natural appeal.
Last updated: October 13, 2026
112
riders
31.4km
03:00
750m
750m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
96
riders
47.2km
03:52
1,320m
1,320m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
25
riders
18.4km
01:19
150m
150m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
59
riders
33.3km
02:37
430m
430m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
86
riders
41.9km
03:48
1,010m
1,010m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Horse Hill Open Space Preserve
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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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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Mount Tamalpais State Park is a majestic area in the heart of Marin County, with sweeping hillsides covered in fantastic redwood forest, open grasslands, sturdy chaparral, and wooded oaklands. The views from Mount Tampais boast breathtaking vistas of the Pacific Ocean, San Francisco Bay and City, the Marin County Hills, Mount Diablo, and the East Bay. You can even see the Farallon Islands, 25 miles out to sea. If you're lucky, you can catch an occasional glimpse of the snow-capped Sierra Nevada Mountain Range, nearly 150 miles away. The Park is a haven for cyclists, hikers, wildlife watchers, or those who wish to find a beautiful spot for an afternoon picnic.
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This tidal sanctuary runs along the Mill Valley-Sausalito Pathway and the Charles F. McGlashan Pathway. More than 400 species of migratory birds rest here after their long flights, and if you pass through in the early morning or late evening, the sunrises and sunsets reflect beautifully on the surface of this 106-acre marsh.
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There are over 40 dedicated no-traffic touring cycling routes in Horse Hill Open Space Preserve. These routes range in difficulty from easy to difficult, ensuring options for various skill levels.
The preserve is enjoyable year-round, but spring is particularly beautiful with abundant wildflowers like lupine and Douglas iris. Winter months can feature seasonal springs on the south slope, but be aware of potential muddy conditions during the rainy season. The panoramic views are stunning at any time, especially around sunset.
Yes, Horse Hill Open Space Preserve offers several routes suitable for families. Many trails are not excessively steep, and dedicated paved bike paths provide a safer experience away from vehicle traffic. Look for routes marked as 'easy' or 'moderate' for a more relaxed family outing.
Cyclists can enjoy stunning panoramic vistas that include the San Francisco skyline, Richardson Bay, Mount Tamalpais, and the Tiburon Peninsula. The rolling hills and open spaces provide a tranquil backdrop for your ride.
Yes, there are several circular routes available. For example, the Phoenix Lake to Bon Tempe Lake loop offers a moderate challenge with beautiful scenery, allowing you to start and end at the same point.
The routes in Horse Hill Open Space Preserve cater to a range of abilities. You'll find 5 easy routes, 18 moderate routes, and 19 difficult routes. This variety ensures that both casual riders and experienced touring cyclists can find a suitable challenge.
Beyond the scenic views, you might spot fourteen horses that reside in the preserve, adding to its rural charm. In spring, wildflowers are abundant, and the skies are frequented by raptors like American kestrel and red-tailed hawk. Other wildlife includes bunnies, turkeys, deer, and coyotes.
The preserve has various trail access points between Corte Madera and Mill Valley. Dedicated bike lanes near the freeway make it convenient for cyclists to reach. While specific public transport details vary, its location in Marin County generally offers good accessibility.
The area is highly rated by the komoot community, with an average score of 4.75 stars from 279 ratings. Reviewers often praise the stunning panoramic views, the peaceful no-traffic environment, and the diverse trail network that connects to other preserves.
For experienced touring cyclists seeking a challenge, routes like the Stinson Beach Overlook & Mount Tamalpais loop via Panoramic Highway offer significant elevation gain and distance, providing a rewarding experience with extensive views.
Yes, the preserve's trails connect to the Alto Bowl Preserve and beyond, offering opportunities for longer rides and exploring a wider network of paths. This connectivity allows for extended touring cycling adventures.
Absolutely. For a route that takes you towards the coast, consider the Tennessee Beach via Sausalito-Mill Valley Trail. This moderate route offers a pleasant ride with the reward of coastal scenery.


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