4.8
(18)
157
riders
15
rides
Mountain biking around Nicasio offers a diverse landscape characterized by rolling hills, prominent ridges, and forested areas. The region features varied terrain, including both challenging climbs and scenic descents, making it suitable for different skill levels. Trails often traverse open spaces and wooded sections, providing a mix of views and sheltered paths. The area's topography is shaped by its proximity to the coast and inland hills, contributing to its distinct mountain biking environment.
Last updated: June 24, 2026
5.0
(1)
8
riders
34.9km
03:40
970m
970m
This difficult 21.7-mile mountain biking loop offers challenging climbs, rewarding descents, and diverse scenery in the Mount Tamalpais Wate
4.6
(9)
70
riders
26.7km
02:24
620m
620m
The Fairfax – Gestalt Haus loop from Woodacre is a demanding mountain biking route that delivers a classic Marin County experience. You'll navigate a mix of unpaved roads, challenging singletrack,…

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5.0
(1)
6
riders
43.5km
04:39
1,260m
1,260m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
5.0
(1)
10
riders
30.2km
02:37
620m
620m
The Marie Dhority Bridge – Bolinas Ridge Trailhead loop from Olema offers a rewarding mountain biking adventure through diverse ecosystems, from coastal rangeland to towering redwood groves. Expect a moderate…
7
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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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.
1
0
Quite a bit of elevation climbing on this loop, sure does help having a class 1 e-bike at 67 yrs. Loved the ride!
0
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McCurdy Trail drops directly from Bolinas Ridge straight down 1.8 miles to Woodville on Shoreline Highway in the West
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Where Eclipse and Solstice Trails intersect.
0
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Upper Peters Dam Road is a well shaded path that partially navigates along Kent Lake shore. On the way out you can see the large dam looming overhead.
0
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This town, nestled in the forested hills among unspoiled open space in Marin County, is a nice respite from the large nearby metropolis. It is a quirky, hip place with a small-town vibe filled with restaurants, music venues, and independent shops. Fairfax is home to many musicians who live here, and on any given night, you can find live music featuring local and national touring acts jamming in a relaxed, casual atmosphere. It has a very cycle-friendly culture, and be sure to take the time to visit the Museum of Bicycling while you are here!
2
0
Non-profit exhibit of some cool historic bikes, including some of the mountain bikes invented here
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There are nearly 20 mountain bike trails around Nicasio, offering a variety of experiences for different skill levels. The komoot community has explored these routes over 100 times.
Yes, Nicasio offers several easier routes. There are 3 easy mountain bike trails available, providing a good starting point for those new to the sport or looking for a more relaxed ride.
Experienced riders will find plenty of challenges with 6 difficult mountain bike trails in the Nicasio area. Routes like the Bolinas and San Geronimo Ridge Loop, which covers 21.7 miles with significant elevation gain, offer demanding rides.
Yes, many of the mountain bike routes in Nicasio are loops. For example, the Pine Mountain loop from Lagunitas is a 27.0-mile loop that takes you through varied mountain terrain and wooded areas.
Trail lengths vary significantly. You can find shorter routes, but many popular trails are longer, such as the Marie Dhority Bridge – Bolinas Ridge Trailhead loop from Olema at 19.0 miles, or the Bolinas Ridge Trail loop from Olema which is 24.9 miles long.
The Nicasio area generally offers good mountain biking conditions for much of the year. Spring and fall often provide pleasant temperatures and lush scenery. While winter riding is possible, be mindful of potential wet and muddy conditions after rainfall, especially on unpaved trails.
Many trails in Nicasio provide expansive views, particularly those traversing ridge lines. The Bolinas and San Geronimo Ridge Loop is known for its extensive ridge line vistas. Trails that pass through open hillsides also tend to offer scenic outlooks.
The komoot community rates the mountain bike trails in Nicasio highly, with an average score of 4.9 stars. Riders often praise the diverse landscape, which includes rolling hills, prominent ridges, and forested sections, providing a good mix of challenging climbs and scenic descents.
Yes, the Nicasio area is rich with natural attractions. You can find highlights such as Stafford Lake Park and the Nicasio Reservoir. The Cross Marin Trail also offers a scenic experience through Samuel P. Taylor State Park.
Yes, you can find options for refreshments. The Marin French Cheese Company & Picnic Pond is a notable spot where you can enjoy food and drinks. Additionally, the nearby settlement of Point Reyes Station offers further dining choices.
To find less crowded trails, consider riding during off-peak hours, such as early mornings on weekdays. Exploring some of the moderate or difficult routes might also lead to fewer riders compared to the more popular or easier trails. Komoot's route planner can help you discover less-trafficked paths.
Parking availability varies by trailhead. Many routes start near towns or parks that offer designated parking areas. For example, routes originating from Woodacre or Lagunitas typically have local parking options. Always check specific route details or local regulations for the best parking information.


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