4.6
(179)
2,119
riders
87
rides
Mountain biking around Tamalpais-Homestead Valley offers diverse terrain within Marin County, California, a region often considered the birthplace of the sport. The landscape features the prominent Mount Tamalpais, with its rolling hills, redwood forests, and chaparral. Riders can experience coastal vistas overlooking the Pacific Ocean and San Francisco Bay, alongside varied ecosystems.
Last updated: May 10, 2026
4.9
(37)
119
riders
35.4km
03:20
840m
840m
Experience a moderate 22.0-mile mountain biking loop on Mount Tamalpais, featuring diverse terrain and panoramic ocean views.
5.0
(4)
51
riders
17.6km
01:59
570m
570m
This moderate 10.9-mile mountain biking loop offers diverse terrain, panoramic Pacific Ocean views, and varied ecosystems.

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5.0
(1)
40
riders
32.4km
03:26
970m
970m
Mountain biking the challenging Tennessee Valley/Muir Beach loop offers spectacular coastal views and diverse terrain in the Marin Headlands
34
riders
11.5km
01:20
400m
400m
This moderate 7.2-mile mountain biking loop in the Marin Headlands offers diverse terrain, scenic vistas, and views of the Golden Gate Bridg
5.0
(1)
5
riders
13.0km
01:14
320m
320m
The Old Railroad Grade and Gravity Car Loop is a moderate 8.1-mile mountain bike trail in Mount Tamalpais State Park with historical sites a
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Great viewpoint along Stagecoach Fire Road. There are picnic tables, so this is a great place for a break to enjoy the wonderful views of Mount Tamalpais.
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On clear days views open up along the trail across the bay and including the San Francisco skyline
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There are still remnants of old train platforms visible where the Gravity cars used to intersect with the Mt Tam Railroad.
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The Coastal Trail is part of the Marin Headlands and it offers iconic views of the Pacific Ocean.
1
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Great singletrack that is also perfectly rideable on a gravel bike. The trail is most fun riding in the northern direction into Tennessee Valley.
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Such a great trail! Coast View Trail is a classic XC singletrack and a must-do when you are in the area. The views are stunning, too!
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A great gravel road that connects Tennessee Valley with Muir Beach. Enjoy the views on the coastline. The road is also perfect for novice mountain bikers.
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Make a break and enjoy the magnificent view!
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Tamalpais-Homestead Valley offers a diverse network of mountain bike trails. There are 14 routes available, catering to various skill levels, including 2 easy, 10 moderate, and 2 difficult trails.
The terrain is highly varied, ranging from rolling hills and redwood forests to chaparral and coastal vistas. You'll encounter fire roads, single-track paths, and trails with panoramic views of the Pacific Ocean and San Francisco Bay. The area is known for its diverse ecosystems, including open grasslands, oak-covered knolls, and dense stands of Douglas-fir.
The region experiences a Mediterranean climate with warm, dry summers and mild, wet winters, making it suitable for year-round mountain biking. Spring offers vibrant wildflower displays, while the cooler, wetter months can bring waterfalls to life. Always check local trail conditions, especially after heavy rains.
Yes, there are 2 easy mountain bike routes in the area. For a family-friendly option, consider trails with less elevation gain and wider paths. The Dias Ridge Trail, for example, is described as an easy and fun wide single-track with switchbacks, suitable for a more relaxed ride.
For experienced riders seeking a challenge, there are 2 difficult routes available. A notable option is the Tennessee Valley/Muir Beach loop, which is 32.4 km long and features significant elevation gain through varied landscapes.
You can enjoy breathtaking views of the Pacific Ocean and San Francisco Bay, especially from higher points on Mount Tamalpais. Nearby attractions include the majestic redwood trees of Muir Woods National Monument and the scenic Marin Headlands. You might also spot the Golden Gate Bridge from certain viewpoints.
Many of the mountain bike trails in Tamalpais-Homestead Valley are designed as loops, offering a continuous riding experience without retracing your steps. An example is the Marincello, Bobcat, Miwok and Old Springs Loop, which is 11.5 km long and takes you through hills and forests.
The mountain biking routes in Tamalpais-Homestead Valley are highly rated by the komoot community, with an average score of 4.77 stars from over 113 reviews. Riders often praise the diverse terrain, stunning coastal views, and the variety of trails catering to different skill levels.
Policies regarding dogs can vary by specific trail and park regulations. It's always best to check the rules for the particular trail you plan to ride. For Mount Tamalpais State Park, you can find detailed information on their official website: California State Parks.
Generally, permits are not required for mountain biking on designated trails in Tamalpais-Homestead Valley, but it's always wise to verify with the specific park or land management agency for the area you plan to visit. For Mount Tamalpais State Park, you can consult their official website for any specific regulations.
Many trails offer spectacular views. The Old Railroad Grade provides scenic climbs with excellent views of San Francisco, Sausalito, and the Bay. The Coastal View Trail is another option, perched high above the Pacific Ocean, offering amazing vistas. The Dias Ridge Trail โ Muir Beach loop also features panoramic Pacific Ocean views.
During the rainy season, some areas around Mount Tamalpais can feature temporary waterfalls. While not directly on mountain bike trails, you might encounter them or find them accessible via short detours on foot during the wetter months.


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