4.6
(205)
9,110
riders
12
rides
No traffic road cycling routes in Blithedale Summit Open Space Preserve traverse a diverse landscape of redwood and Douglas-fir forests, open grasslands, and dense chaparral. The preserve spans 639 acres along Mount Tamalpais's northern ridge, offering varied terrain from steady ascents to "roller coaster" uphills and downhills. Cyclists can experience panoramic views of the Marin Headlands and San Francisco Bay from higher elevations.
Last updated: August 20, 2026
172
riders
34.9km
02:09
940m
940m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(2)
135
riders
31.0km
01:52
710m
710m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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21
riders
76.5km
04:09
1,400m
1,400m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4.6
(14)
685
riders
65.4km
03:41
1,330m
1,330m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4.8
(4)
363
riders
52.8km
02:48
930m
930m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Blithedale Summit Open Space Preserve
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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Paved section riding on the ridge between Pan Toll Road and Fairfax-Bolinas Road where it contains as Bolinas Ridge Trail, with spectacular views along the way toward the Pacific Ocean and Stinson Beach far below. The road is open during daylight hours only, in winter that means 9am to sunset.
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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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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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Set beneath the towering trees of Mount Tam, Rock Springs is the perfect jumping-off point for scenic hikes and quiet picnics—where trails, wildlife, and wide-open views begin.
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There are 10 dedicated no-traffic road cycling routes in Blithedale Summit Open Space Preserve featured in this guide. These routes offer a range of experiences, from moderate climbs to more challenging ascents, all designed to keep you away from vehicle traffic.
The preserve is beautiful year-round, but spring (March-May) offers vibrant wildflowers and flowing seasonal streams, while fall (September-November) provides crisp air and clear views. During the rainy season, small waterfalls emerge, adding to the natural beauty. Always check local weather conditions before heading out.
Yes, for those seeking a more relaxed ride, the Mount Tamalpais State Park – Mountain Home Inn loop from Tamalpais-Homestead Valley is a moderate option that offers a good introduction to the area's scenic beauty. The Old Railroad Grade, while not a specific route in this guide, is also known for its easy and steady ascent, making it accessible for beginners.
From higher elevations, you'll be treated to stunning panoramic views of the Marin Headlands and San Francisco Bay. On clear days, vistas can extend to San Pedro Mountain, San Quentin, Mount Diablo, and even Mount St. Helena. You'll also cycle through diverse landscapes, including redwood and Douglas-fir forests, open grasslands, and dense chaparral.
Absolutely. For experienced cyclists looking for a significant challenge, routes like the Pantoll Road – Mount Tamalpais Summits loop from Mill Valley and the Alpine Dam & Mount Tamalpais East Peak loop from Downtown San Rafael offer substantial elevation gains and distances, providing a rewarding workout with incredible scenery.
The komoot community highly rates the road cycling experience here, with an average score of 4.6 stars. Reviewers often praise the serene, traffic-free nature of the fire roads, the diverse landscapes, and the breathtaking panoramic views from the higher ridges.
While cycling, you'll encounter diverse natural features. The historic Old Railroad Grade itself is a point of interest, with a cement transfer platform from its past still visible near Double Bowknot Junction. You can also explore highlights like the Blithedale Ridge Fire Rd and the Middle Summit / Escalon Fire Road, which offer unique perspectives of the preserve.
Yes, Blithedale Summit Open Space Preserve connects to a larger network of protected lands, including Baltimore Canyon Open Space, Camino Alto Open Space Preserve, and Mount Tamalpais State Park. This allows for extended explorations and longer rides, including sections of the 550-mile Bay Area Ridge Trail, offering even more traffic-free cycling opportunities.
Yes, e-bikes are permitted on the fire roads within Blithedale Summit Open Space Preserve, which make up many of the no-traffic routes. This increases accessibility for a wider range of cyclists to enjoy the preserve's scenic beauty.
While specific parking areas are not detailed in this guide, trailheads for routes often have nearby parking. For detailed information on parking facilities and access points, it's recommended to check the official Blithedale Summit Open Space Preserve website or local park resources before your visit.
During the rainy season, small waterfalls emerge, and streams flow downhill from Blithedale Ridge into Corte Madera Creek. While no specific route is highlighted for waterfalls, cycling through the redwood and Douglas-fir forests, especially along trails like the Old Railroad Grade, will bring you closer to these natural water features when they are active.


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