4.5
(27)
590
riders
41
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: July 8, 2026
5.0
(2)
28
riders
45.1km
03:18
770m
770m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
41
riders
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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Popular around Larkspur
Batterij Townsley is a place where nature and history meet. As you climb along the rugged cliffs of the Marin Headlands, the old coastal defense slowly emerges from the landscape. Once at the top, a panorama opens up that will leave you speechless: the Pacific Ocean, the Golden Gate Bridge, and the endless horizon. The abandoned bunkers and tunnels give the place a mysterious atmosphere, as if time has stood still here. A perfect stop to enjoy, wander, and completely immerse yourself in the view.
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Part of the coastal defenses along Coastal Trail, latest remnants here date from the WW II and early cold war era.
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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 tidal sanctuary runs along the Mill Valley-Sausalito Pathway and the Charles F. McGlashan Pathway. More than 400 species of migratory birds rest here after their long flights, and if you pass through in the early morning or late evening, the sunrises and sunsets reflect beautifully on the surface of this 106-acre marsh.
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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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There are, indeed, horses on this hill. Connector path between Mill Valley and Corte Madera, easier than Camino alto. The alto tunnel is still closed, learn more here: https://openaltotunnel.org/
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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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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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