4.5
(246)
2,237
riders
40
rides
Touring cycling in Loma Alta Open Space Preserve offers routes through rolling, grassy hills and diverse ecosystems, including open grasslands, California bay woods, and oak woodlands. The preserve rises to an elevation of 1,592 feet (485 m), providing expansive vistas. Its topography features scenic canyons and creekbeds, with an extensive network of fire roads and trails. These no traffic touring cycling routes traverse varied terrain, from consistent-grade dirt paths to more challenging ascents.
Last updated: July 10, 2026
10
riders
14.0km
01:31
460m
460m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
6
riders
30.4km
03:07
860m
860m
Embark on a challenging touring cycling adventure with the Fairfax Falls 🌊 – Fairfax loop from Sleepy Hollow, a route designed to test your endurance and reward you with scenic…

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14.5km
01:28
450m
450m
The White Hill and Blue Ridge Fire Roads Loop offers a dynamic touring cycling experience through Marin County's diverse landscapes. You'll pedal through pockets of California bay and coast live…
50
riders
21.8km
02:01
440m
440m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
56
riders
47.4km
04:55
1,410m
1,410m
This challenging 29.4-mile (47.4 km) touring cycling loop from Fairfax takes you on a scenic adventure through the Mt. Tamalpais Watershed, offering 4615 feet (1407 metres) of elevation gain over…
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Popular around Loma Alta 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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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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At this point on Sky Oaks Road, there is a junction with Shaver Grade Road, which connects with a dense network of trails and dirt roads near Bald Hill in the Mount Tamalpais State Park. From here, you can continue on the paved Sky Oaks Road or go arond the gate on to the gravel Shaver Grade Road.
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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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With its peak at 1,404-foot (428 m), White Hill is a grassy horseshoe-shaped hill boasting fantastic views of the Marin County Ridge, Mt. Diablo, Loma Alta, and the north side of Mt. Tamalpais. In the spring, you can enjoy blooming lupines, California poppies, blue larkspur, and, if you're lucky, see a swallowtail butterfly or two.
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There are over 35 dedicated no traffic touring cycling routes in Loma Alta Open Space Preserve, offering a variety of experiences from easy to difficult. You'll find plenty of options to explore the preserve's diverse landscapes.
The routes primarily follow fire roads and trails through rolling, grassy hills, California bay woods, and oak woodlands. You can expect a mix of dirt and gravel paths, with consistent grades on climbs. The preserve's topography includes scenic canyons and creekbeds, providing varied terrain for touring cyclists.
Yes, Loma Alta Open Space Preserve offers several easier routes suitable for families. While specific routes are not designated as 'family-only,' the preserve has 8 easy-rated touring cycling routes that are generally less challenging and can be enjoyed by riders of varying skill levels. The consistent grades on many fire roads make them accessible.
Cyclists reaching the summit of Loma Alta are rewarded with spectacular panoramic views of Mount Tamalpais, San Francisco Bay, the Richmond/San Rafael Bridge, the East Bay hills, Tiburon, and even the distant San Francisco skyline on clear days. During the rainy season, the 25-foot cascading Fairfax Falls is a charming attraction. The preserve also features diverse ecosystems with wildflowers in spring, dense bay woods, and oak woodlands.
Yes, many of the no traffic touring cycling routes in Loma Alta Open Space Preserve are designed as loops. For example, the White Hill and Blue Ridge Fire Roads Loop is a moderate 14.5 km route that offers a great circular experience. Another option is the more challenging Phoenix Lake – Alpine Lake - Bon Tempe Dam loop from Fairfax, which covers about 27 km.
Spring is particularly beautiful, with rolling hills bursting into color with wildflowers. The rainy season (winter) brings the Fairfax Falls to life. Generally, spring and fall offer pleasant temperatures for cycling. Summers can be warm, while winters are mild but may involve wet trails.
The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the extensive network of fire roads and trails that provide a true 'no traffic' experience, the stunning panoramic views from the summit, and the diverse natural beauty, especially during wildflower season.
Loma Alta Open Space Preserve has several access points with parking. Notable trailheads include the White Hill Trailhead and the White Hill — Old Railroad Grade upper trailhead. These locations provide convenient starting points for exploring the no traffic touring cycling routes.
While the region research indicates that Loma Alta Open Space Preserve is generally dog-friendly, specific rules regarding dogs on cycling trails can vary. It's always best to check local signage at trailheads or the official Marin County Parks website for the most current regulations on dogs, especially regarding leash requirements and permitted areas.
Yes, Loma Alta Open Space Preserve offers 14 difficult-rated touring cycling routes for those seeking a challenge. An example is the Lake Lagunitas Dam – Eldridge Grade Fire Road loop from Fairfax, which is approximately 21.9 km with significant elevation gain. These routes often feature longer distances and more substantial climbs.
While direct public transport access to all trailheads might be limited, the preserve is located near Fairfax, which may have bus services. For detailed public transport options to specific access points, it is recommended to consult local transit schedules or plan your route using a public transport app.
Loma Alta Open Space Preserve is a vital breeding ground for various bird species, including horned larks, western meadowlarks, and western bluebirds. It is also home to a rich variety of raptors. Keep an eye out for these birds, especially in the open grasslands and woodlands.


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