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.
Last updated: October 11, 2026
5.0
(2)
44
riders
36.3km
02:34
510m
510m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
13.4km
00:56
270m
270m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
3
riders
100.0km
07:53
2,320m
2,320m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Larkspur
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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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 :-).
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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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