4.4
(176)
7,347
riders
89
rides
Road cycling in Bald Hill Open Space Preserve features a landscape of grassy hills and oak woodlands, with elevations reaching 1,132 feet at the summit of Bald Hill. The preserve offers panoramic views across the Ross Valley and Mount Tamalpais, connecting to a broader network of fire roads and multi-use trails. While primarily known for unpaved routes, the area provides challenging climbs and varied terrain suitable for mixed-surface cycling.
Last updated: May 30, 2026
5.0
(7)
90
riders
37.8km
02:06
810m
810m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(3)
154
riders
47.1km
02:11
480m
480m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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5.0
(1)
63
riders
62.9km
03:40
1,480m
1,480m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
21
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
3.6
(5)
15
riders
25.5km
01:05
130m
130m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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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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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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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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The Sausalito Bike Path runs through Mill Valley. It's a paved route with great views of the wetlands on the old Northwest-Pacific rail line, which operated from 1884 until its closure in 1971. The path ends near Mike’s Bikes in Marin City, where riders can continue along the busy Bridgeway into Sausalito or take quieter marina backroads.
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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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Good supporter of Marin Biking and nice lot to start your ride from and have a beer after
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Opening this bike tunnel through the renovated trail tunnel as part of the 2010 redeveloped rail connection from Larkspur Ferry to Santa Rosa closed a crucial gap in the bike commute to San Francisco.
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While the preserve is known for its unpaved fire roads and multi-use trails, the surrounding area offers mixed-surface riding opportunities. Cyclists should be prepared for varied terrain, including challenging climbs and sections that may be better suited for gravel bikes due to unpaved segments. The landscape features grassy hills and oak woodlands.
Yes, Bald Hill Open Space Preserve and its vicinity offer routes catering to various skill levels. You can find easy routes, such as the Corte Madera Multi-Use Path – Corte Madera Creek loop from San Anselmo, which is 11.3 miles long. There are also moderate and difficult options for more experienced riders.
For those seeking a challenge, routes like the Alpine Lake – Alpine Dam loop from Fairfax offer significant elevation gain, reaching over 3,400 feet (1038 meters) over 29.2 miles. Another demanding option is the Corte Madera Creek – Pantoll Road loop from San Rafael, which features over 4,300 feet (1320 meters) of climbing.
The summit of Bald Hill itself, at 1,132 feet, provides spectacular 360-degree panoramic views across the Ross Valley, Mount Tamalpais, San Pablo Bay, and even San Francisco on a clear day. Many routes in the preserve and surrounding areas will offer rewarding scenic stops with expansive vistas.
Yes, many of the popular routes are loops, allowing you to start and end at the same point. Examples include the Fairfax – Splitrock Tap & Wheel loop from San Anselmo and the Alpine Lake – Alpine Dam loop from San Anselmo, which are highly rated by the komoot community.
Within Marin County Parks and Open Space Preserves, Class 1 and 2 e-bikes are permitted on paved multi-use pathways. However, all classes of e-bikes are prohibited from unpaved trails and fire roads. Cyclists are encouraged to be courteous and adhere to speed limits, especially around other trail users.
The preserve is a habitat for diverse wildlife. You might spot animals like fox and bobcat, and the area features native forests of redwood, oak, bay, buckeye, and madrone. In spring, anise swallowtail butterflies are active, and savannah sparrows and dark-eyed juncos nest in the tall grasses.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 130 reviews. Reviewers often praise the diverse landscapes, challenging climbs, and the rewarding panoramic views from various points, especially the summit of Bald Hill.
Yes, the preserve borders lands managed by the Marin Municipal Water District (MMWD) to the west and south. This connectivity provides access to over 100,000 acres of protected land and an extensive network of fire roads and singletrack trails, allowing for longer and more varied rides that extend beyond the immediate preserve.
The preserve does include historical elements. For instance, there is a unique structure near the Yolanda Trail, which is noted as the only one of its kind in Marin County. Exploring the trails may reveal these interesting features.
While specific seasonal conditions are not detailed, the diverse terrain and panoramic views are enjoyable year-round. However, for the clearest views and most comfortable temperatures, spring and fall are generally ideal. Always check local weather conditions before heading out.
For additional information about the preserve, including general visitor guidelines and other activities, you can visit the Marin County Visitor website.


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