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Marin County

Larkspur

The best traffic-free bike rides around Larkspur

4.5

(37)

818

riders

40

rides

No traffic gravel bike trails around Larkspur are situated in the Front Range foothills of the Rocky Mountains, characterized by diverse landscapes. The region features extensive Ponderosa pine forests, open spaces, and red rock formations. Gravel biking routes traverse rolling hills and offer views of the surrounding mountains and canyons. This area provides varied terrain for gravel cyclists seeking routes away from vehicular traffic.

Best no traffic gravel bike trails around Larkspur

  • The most popular no traffic gravel bike trail…

Last updated: October 11, 2026

5.0

(2)

44

riders

#1.

Phoenix Lake – Fish Gulch trail junction loop from Larkspur

36.3km

02:34

510m

510m

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

5.0

(1)

3

riders

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Popular around Larkspur

Traffic-free bike rides around Larkspur

Tips from the Community

Eric Cross
August 10, 2025, Phoenix Lake

log cabin at phoenix lake

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Andrus
May 26, 2025, Alpine Dam

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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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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Sue
October 31, 2023, Baker-Barry Tunnel

This tunnel is one-way with a stoplight that lets each direction pass through for five minutes. It has a common name referred to by locals as "The Five Minute Tunnel," although officially named name Baker-Barry because it connects two old military bases.

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Large urban park with sports fields, restrooms, shaded picnic area between Larkspur trail and town

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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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Sausalito is a nice place to see (the skyline of) San Francisco from. But there is also a lot of tourism here and if you think you can eat cheaper here, you are unfortunately on the wrong track :-).

Translated by Google•

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Frequently Asked Questions

How many traffic-free gravel bike trails are available around Larkspur?

There are over 35 traffic-free gravel bike trails around Larkspur, offering a wide range of options for different skill levels and preferences. These routes are specifically curated to provide a peaceful riding experience away from vehicle traffic.

What kind of terrain can I expect on Larkspur's traffic-free gravel trails?

The terrain around Larkspur is quite varied, featuring rolling hills, open fields, and pine forests. While many sections offer smooth gravel, some routes, like parts of the Castlewood Gravel Loop, may include thicker, deeper gravel or sandy sections, particularly in areas like Greenland Open Space. You'll also encounter stunning views of the Front Range foothills and Ponderosa pines.

Are there any easy, traffic-free gravel bike routes suitable for beginners in Larkspur?

While many routes around Larkspur are rated moderate to difficult, some sections, like the Castlewood Canyon - Larkspur Short Gravel route, offer generally easy and non-technical gravel roads with light to moderate climbing. For a moderate option, consider the Phoenix Lake – Fish Gulch trail junction loop from Larkspur, which covers about 20 km with manageable elevation.

What are some scenic viewpoints or natural features I can see on these trails?

Larkspur's trails offer breathtaking views of the dramatic Front Range foothills, Pikes Peak, and extensive Ponderosa pine forests. You might also encounter red rock formations, especially in areas like Sandstone Ranch Open Space. The Alpine Dam – Sausalito — Mill Valley Path loop from Larkspur, though longer, offers diverse scenery including the dam itself.

Are there any loop routes among the traffic-free gravel trails?

Yes, several traffic-free gravel routes around Larkspur are designed as loops. For example, the Bobcat Trail – Bothin Marsh Preserve loop from Larkspur is a challenging 45 km option, and the Fish Gulch trail junction – Hoo-Koo-E-Koo Fire Road Trail loop from Larkspur offers a longer, difficult ride of nearly 49 km.

What do other gravel bikers enjoy most about the traffic-free trails in Larkspur?

The komoot community highly rates the gravel biking experience in Larkspur, with an average score of 4.5 stars. Reviewers often praise the quiet, car-free nature of the trails, the stunning natural beauty of the Front Range, and the diverse terrain that keeps rides interesting and challenging.

Are there any attractions or points of interest near the traffic-free gravel routes?

Absolutely! You can find several interesting spots. For a unique experience, consider visiting the Marin Museum of Bicycling. If you're looking for places to rest or grab a bite, Splitrock Tap & Wheel is a popular cafe nearby. For nature lovers, the Bon Tempe Dam is also a notable highlight.

What is the best time of year to ride traffic-free gravel trails in Larkspur?

The spring and fall seasons generally offer the most pleasant conditions for gravel biking in Larkspur, with mild temperatures and beautiful scenery. Summer can be enjoyable, but be prepared for warmer weather and potential afternoon thunderstorms. Winter riding is possible, but some trails may be affected by snow or ice, especially at higher elevations.

Are there any long-distance, traffic-free gravel routes for experienced riders?

Yes, experienced riders looking for a significant challenge will find options. The Alpine Dam – Sausalito — Mill Valley Path loop from Larkspur is a demanding route spanning nearly 100 km with over 2300 meters of elevation gain, offering a full day's adventure away from traffic.

Can I find any huts or cabins for an overnight stay near the trails?

Yes, there are options for overnight stays. You might consider the West Point Inn or the Hawk Camp. For a more rustic experience, the Rocky Point-Steep Ravine Environmental Campground also provides accommodation options.

Are there any facilities or ranger stations along the traffic-free routes?

While not directly on every route, the Pantoll Ranger Station & Campground is a notable facility in the area that can provide information and services for outdoor enthusiasts.

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