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MTB trails
United States
California
Marin County

Kentfield

The best MTB trails around Kentfield

4.6

(335)

3,214

riders

136

rides

Mountain biking around Kentfield, California, offers diverse landscapes and extensive trail networks within Marin County. The region features hilly, forested terrain, redwood groves, and open grasslands, with direct access to the Mount Tamalpais trail system. Riders can explore varied natural features, including watershed trails and routes around Phoenix Lake. This provides a range of experiences from challenging climbs to scenic descents.

Best mountain bike trails around Kentfield

  • The most popular mountain bike trail is Old Railroad Grade and Hoo-Koo-E-Koo Loop

Last updated: April 27, 2026

4.8

(8)

111

riders

#1.

Old Railroad Grade and Hoo-Koo-E-Koo Loop

24.0km

02:39

750m

750m

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

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Moderate

4.9

(7)

46

riders

16.8km

01:39

370m

370m

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

Moderate
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4.6

(5)

76

riders

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard
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Popular around Kentfield

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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.

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Eric Cross
August 10, 2025, Phoenix Lake

log cabin at phoenix lake

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0

Traveler
November 6, 2023, West Point Inn

Great stop over along the trails on Mount Tam at the intersection of Old Railroad Grade, Old Stage, and Nora trails. Sit and enjoy the views from the wrap-around porch of this former hotel/restaurant built over 100 years ago when 'the crookedest railroad' carried weekend tourists up to the summit of Mount Tam. Today volunteers maintain the idyllic inn, provide hiking information and self-serve honor-based snacks and refreshments.

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Sue
October 31, 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!

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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

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There is a great view of the northern point of Alpine lake where a small channel feeds over to Bon Tempe Lake. This is a great place to drop a line, or just enjoy the aquatic views.

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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

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Frequently Asked Questions

What kind of terrain and natural features can I expect on mountain bike trails around Kentfield?

Mountain biking around Kentfield offers a diverse range of natural features. You'll find hilly, forested terrain, extensive redwood groves, and open grasslands that are particularly vibrant with wildflowers in the spring. Many trails wind through the Mount Tamalpais Watershed, offering scenic views and varied landscapes, including routes around Phoenix Lake with its incredibly blue waters.

What are the difficulty levels of mountain bike trails in Kentfield?

Kentfield offers a wide range of mountain bike trails suitable for various skill levels. Out of 145 total routes, there are 18 easy trails perfect for beginners, 85 moderate trails for intermediate riders, and 42 more challenging routes for advanced mountain bikers. This variety ensures options from gentle paths to more demanding climbs.

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

Yes, there are family-friendly options available. China Camp State Park, for example, provides beginner-friendly mountain biking options. The region's 18 easy trails are generally suitable for families looking for less strenuous rides, allowing everyone to enjoy the scenic beauty of the area.

What landmarks or points of interest can I see along the mountain bike trails?

Many trails offer access to notable landmarks and points of interest. You can explore the Mount Tamalpais Watershed, ride alongside Phoenix Lake, or visit the Bon Tempe Dam. For a break, the West Point Inn is a popular stop. The Marin Headlands, though a bit further, offer sweeping views of the Golden Gate Bridge and the Pacific Ocean.

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

Kentfield benefits from a mild Mediterranean climate, making mountain biking enjoyable almost year-round. The temperate weather supports lush landscapes, and spring is particularly beautiful when the grasslands burst with wildflowers. Even in winter, conditions are generally favorable for outdoor activities.

Are there any loop trails for mountain biking in Kentfield?

Yes, Kentfield and the surrounding area feature several excellent loop trails. A popular choice is the Marin Three Lakes loop, which winds through the watershed. Another option is the Phoenix Lake – Fish Gulch trail junction loop from Ross, offering a moderate ride around the lake.

What do other mountain bikers enjoy most about mountain biking in Kentfield?

The mountain bike trails around Kentfield are highly rated by the komoot community, with an average score of 4.6 stars from over 380 reviews. Riders often praise the diverse terrain, the extensive trail networks, and the breathtaking views, especially those from Mount Tamalpais and along the watershed.

How long are the mountain bike trails typically in Kentfield?

The trails around Kentfield vary significantly in length. For example, the Old Railroad Grade and Hoo-Koo-E-Koo Loop is about 14.9 miles (24.0 km), while the Mount Tamalpais West Point loop from Sausalito extends to 23.5 miles (37.8 km). There are also shorter options, with 18 easy tours available for quicker rides.

Is public transport available to access mountain bike trails in Kentfield?

Kentfield is located in Marin County, just north of San Francisco. While specific public transport routes directly to trailheads can vary, the area is generally accessible. For detailed information on public transport options to specific trail access points, it's best to consult local transit schedules.

Are there any cafes or places to eat near the mountain bike trails?

Yes, there are options for refreshments. For example, Splitrock Tap & Wheel is a highlighted cafe in the area. Additionally, Kentfield's proximity to towns in Marin County means there are various cafes and eateries available for a post-ride meal or coffee.

Are permits required for mountain biking on trails in Kentfield?

Many trails in the Mount Tamalpais Watershed and other protected areas are managed by local or state park authorities. While general access is often free, some specific areas or events might require permits or have specific regulations. It's always advisable to check the official websites of the relevant park or land management agencies for the most current permit requirements before your ride.

Can I spot wildlife while mountain biking in Marin County?

Yes, Marin County is rich in wildlife. While mountain biking, especially on trails around Phoenix Lake or in the Mount Tamalpais Watershed, you have opportunities for wildlife spotting. Keep an eye out for various bird species, deer, and other local fauna that inhabit the diverse landscapes of the region.

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