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MTB trails
United States
California
Marin County

Woodacre

The best MTB trails around Woodacre

4.7

(173)

1,386

riders

58

rides

Mountain biking around Woodacre offers diverse landscapes within the San Geronimo Valley, characterized by rolling hills, lush redwood forests, and oak woodlands. The region provides varied terrain for mountain bikers, with routes winding through natural features like Lagunitas Creek. Elevation changes are common, with some trails featuring significant climbs and descents. This natural setting creates a comprehensive network of mountain bike trails.

Best mountain bike trails around Woodacre

  • The most popular mountain bike trail is Fairfax Tamarancho Trails loop,…

Last updated: May 13, 2026

5.0

(27)

303

riders

#1.

Fairfax Tamarancho Trails loop

17.8km

01:42

410m

410m

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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Hard

22

riders

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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4.3

(3)

16

riders

25.2km

02:37

720m

720m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

4.6

(9)

66

riders

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Tips from the Community

serge 🚶🐉😊🇧🇪
October 12, 2025, Marin Museum of Bicycling

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.

Translated by Google

1

0

Eric Cross
August 10, 2025, Phoenix Lake

log cabin at phoenix lake

1

0

Where Eclipse and Solstice Trails intersect.

0

0

Sue
October 27, 2023, Fairfax

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

0

0

From easiest to hardest climbs out of phoenix lake from this junction: -Shaver Grade, easy grade, longer, shaded and pretty -Eldridge Grade, medium, good length and can connect you to mt tam east peak -Fish Grade fire road, very steep, we hiked the bikes

1

0

georgie
August 10, 2023, Gestalt Haus

Great spot post hiking or biking, good beer, good vibes, great food, and vegan options!

0

0

On Shaver Grade Road, you get to ride along the incredibly blue waters of Phoenix Lake.

1

0

Frequently Asked Questions

How many mountain bike trails are there in Woodacre?

Woodacre offers a comprehensive network of mountain biking trails, with over 60 routes available. These trails cater to various skill levels, from easy to difficult.

What kind of terrain can I expect on Woodacre's mountain bike trails?

You can expect diverse terrain, characterized by rolling hills, lush redwood forests, and oak woodlands. Trails often feature technical sections with roots and rocks, challenging downhill rock gardens, and varied surfaces that include former fire roads and old logging skids.

Are there mountain bike trails for different skill levels in Woodacre?

Yes, Woodacre's trail network includes options for all skill levels. There are 6 easy routes, 37 moderate routes, and 25 difficult routes, ensuring a suitable challenge for beginners to advanced riders.

What do other mountain bikers say about the trails in Woodacre?

The mountain bike trails in Woodacre are highly regarded by the komoot community, with an average rating of 4.7 stars from over 160 reviews. Riders often praise the diverse landscapes, from redwood forests to oak woodlands, and the variety of terrain available.

Are there any scenic viewpoints or natural features to look out for on the trails?

Absolutely. Woodacre is rich in natural beauty. You can find serene spots like Phoenix Lake, which offers picnic tables and connections to fire roads. The area also boasts towering redwoods and meandering creeks, particularly within Samuel P. Taylor State Park. From certain vantage points, you can even enjoy panoramic views of San Francisco and the Marin Headlands.

Can I combine mountain biking with other outdoor activities in Woodacre?

Yes, Samuel P. Taylor State Park, a major draw in the area, offers excellent opportunities for hiking and picnicking alongside biking. The Cross Marin Trail and Pioneer Tree Trail within the park are suitable for both activities. You can also explore various peaks around Woodacre, such as Mount Tamalpais Summits, which offer stunning views.

Are there any family-friendly mountain bike trails in Woodacre?

While many trails in Woodacre feature technical sections, there are easier routes suitable for families. For instance, the region offers 6 easy mountain bike tours, which typically have less challenging terrain and elevation changes. Look for routes described as 'easy' on komoot to find suitable options.

Are dogs allowed on mountain bike trails in Woodacre?

Trail regulations regarding dogs can vary by specific park or land management. While many areas in Marin County are dog-friendly, it's always best to check the specific rules for the trail or park you plan to visit, such as Samuel P. Taylor State Park or the Tamarancho trail system, as some may require dogs to be on leash or restrict access on certain singletrack trails.

Are there any loop mountain bike trails in Woodacre?

Yes, Woodacre features several excellent loop trails. A popular moderate option is the Tamarancho to Cascade Fire Road loop, which covers 14.5 miles. Another great choice is the Pine Mountain Loop, a 15.6-mile trail through redwood forests and oak woodlands.

What is the best time of year to go mountain biking in Woodacre?

Woodacre generally offers good mountain biking conditions year-round, but the best time is typically during the spring and fall when temperatures are mild and the landscape is vibrant. Summers can be warm, and winters might bring rain, which can make some trails muddy. Always check local trail conditions before heading out.

Are there any permits required for mountain biking in Woodacre?

Some specific trail systems, like the Camp Tamarancho trail system, may require a permit or day pass for access. It's advisable to check the official websites for the specific trails you plan to ride to confirm any permit requirements before your visit.

Where can I find parking for mountain bike trails in Woodacre?

Parking is generally available at trailheads and designated areas within parks like Samuel P. Taylor State Park. For trails connecting to the Tamarancho system, you can often find parking near trail access points in Fairfax or Woodacre. Specific parking availability can vary, so it's recommended to check maps or local resources for your chosen route.

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