4.7
(17)
391
riders
30
rides
Gravel biking around Marin City provides access to a diverse landscape of coastal hills, redwood forests, and open grasslands. The region features a network of gravel roads and trails, including well-maintained paths through the Marin Headlands and Mount Tamalpais areas. Riders can expect varied terrain, from smoothly graded gravel to more challenging ascents with significant elevation changes. The area's geography offers panoramic views of the Pacific Ocean and San Francisco Bay.
Last updated: July 1, 2026
4.8
(6)
73
riders
47.4km
04:21
1,270m
1,270m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
57
riders
32.6km
02:21
570m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.5
(2)
13
riders
27.8km
02:53
890m
890m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
76
riders
35.0km
03:01
930m
930m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
15
riders
45.7km
03:59
1,180m
1,180m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Arrival of the magnificent Golden Gate crossing
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Good vantage point.
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A nice place, but the bike parking fee and the price of an ice cream are a complete rip off!
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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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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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Beautiful spot next to Cavallo point that is a bit less busy than the very popular viewpoint up the hill.
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There are over 40 gravel bike trails around Marin City, offering a diverse range of experiences. Most of these routes are rated as difficult, with a smaller selection of moderate trails available.
The terrain around Marin City is varied, featuring coastal hills, redwood forests, and open grasslands. You'll encounter a network of gravel roads and trails, from smoothly graded paths in the Marin Headlands to more challenging ascents with significant elevation changes on Mount Tamalpais. Many routes offer breathtaking coastal views and diverse ecosystems.
While many routes are rated difficult, the region does offer some moderate options suitable for those newer to gravel biking. For example, the Marin Headlands feature well-maintained, smoothly graded gravel roads like Marincello and Bobcat trails, which can be enjoyable for less experienced riders. Always check the route details for specific difficulty ratings.
Marin City's gravel trails offer spectacular views and access to iconic landmarks. You can expect panoramic views of the Pacific Ocean, San Francisco Bay, and the Golden Gate Bridge. Notable points of interest include the Golden Gate Bridge Overlook Battery Spencer, Coastal Trail - Land's End, and the Sunrise Site. Many routes also pass through areas with ancient redwoods, such as near Muir Woods National Monument.
The gravel biking routes in Marin City are highly rated by the komoot community, with an average score of 4.6 stars. Riders frequently praise the stunning coastal views, the diverse terrain that keeps rides interesting, and the sense of escape into nature so close to an urban area. The well-maintained gravel roads and challenging ascents are often highlighted as key attractions.
Yes, there are several substantial loop trails. For instance, the Bothin Marsh Preserve β Pantoll Road loop from Tamalpais-Homestead Valley covers approximately 48.5 km (30 miles) with significant elevation gain, typically taking around 5 hours. Another option is the Phoenix Lake β Fish Gulch trail junction loop from Mill Valley, which is about 45.6 km (28 miles) long.
Marin City offers good gravel biking conditions year-round, but spring and fall generally provide the most pleasant weather with mild temperatures and clear skies. Summers can be warm, especially inland, while winters are typically mild but can bring rain. The coastal areas often experience fog, particularly in summer mornings, which can add to the scenic atmosphere.
While many routes traverse natural areas, there are some facilities available. For example, the West Point Inn on Mount Tamalpais offers refreshments and a place to rest. You might also find facilities like the Warming Hut in certain areas. It's always a good idea to carry sufficient water and snacks, especially on longer or more remote rides.
Parking is available at various access points to the trail networks. For routes in the Marin Headlands, there are parking lots near popular trailheads. For Mount Tamalpais, parking can be found at state park entrances and designated areas. It's advisable to check specific route starting points for the most convenient parking options.
Public transport options to access the Marin Headlands and Mount Tamalpais areas from Marin City are limited but possible. Some bus routes serve parts of the region, but direct access to all trailheads might require a combination of transport and a short ride. For detailed public transport information, it's best to consult local transit schedules.
While many routes are challenging, some sections of the gravel trails, particularly those with smoother grades in the Marin Headlands, can be suitable for families. The Tennessee Valley Trail, though not exclusively gravel, is a local favorite that leads to a secluded beach and is considered family-friendly. Look for routes described as 'moderate' or 'easy' for the most suitable family experiences.
The duration of a gravel bike ride in Marin City varies significantly based on the route's length and difficulty. Many of the popular difficult loops, such as the Pantoll Road loop from Mill Valley (34.6 km), typically take around 3.5 to 4 hours to complete. Longer routes can extend to 5 hours or more, while shorter, easier rides might be 1-2 hours.


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