4.5
(521)
4,536
riders
197
rides
Mountain biking in Marin County offers diverse landscapes, from coastal views to dense redwood groves and oak woodlands. The region is characterized by significant elevation changes, including Mount Tamalpais, which provides panoramic views of the San Francisco Bay and Pacific Ocean. Trails often wind through varied terrain, including salt marshes, rolling hills, and rugged coastal areas. This combination of natural features makes Marin County a premier destination for mountain biking.
Last updated: August 3, 2026
5.0
(30)
292
riders
17.8km
01:42
410m
410m
The Fairfax Tamarancho Trails loop offers mountain bikers a diverse and demanding ride through the scenic landscapes at the foot of Mount Tamalpais. You'll navigate through shaded redwood groves, open…
4.5
(23)
211
riders
14.6km
01:27
280m
260m
This easy 9.1-mile mountain biking loop in China Camp State Park offers bay views and is perfect for building beginner skills.

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5.0
(42)
116
riders
35.4km
03:20
840m
840m
The Mount Tamalpais & Coastal Trail loop offers a truly diverse mountain biking experience, guiding you through cool redwood forests, sun-dappled oak woodlands, and expansive open grasslands. As you climb,…
4.8
(8)
106
riders
24.0km
02:39
750m
750m
The Old Railroad Grade and Hoo-Koo-E-Koo Loop offers a quintessential Mount Tamalpais mountain biking experience, blending historical charm with spectacular scenery. You'll traverse wide fire roads and more technical sections,…
4.9
(7)
46
riders
16.8km
01:39
370m
370m
The Marin Three Lakes loop offers a picturesque mountain biking tour through the Mount Tamalpais Watershed, showcasing diverse terrain and stunning natural beauty. You'll ride past the serene Phoenix Lake,…
4.6
(5)
47
riders
17.6km
01:59
570m
570m
The Miwok, Coastal, and Dias Ridge Loop delivers a comprehensive mountain biking experience, weaving through open grasslands, chaparral, and dense eucalyptus groves. You'll be treated to spectacular ocean views, especially…
5.0
(1)
38
riders
32.4km
03:26
970m
970m
The Tennessee Valley/Muir Beach loop offers a truly diverse mountain biking experience, taking you from the valley floor to coastal ridges with stunning ocean vistas. You'll navigate a mix of…
29
riders
11.5km
01:20
400m
400m
The Marincello, Bobcat, Miwok and Old Springs Loop offers a dynamic mountain biking experience through the Marin Headlands, blending challenging climbs with thrilling descents. You'll traverse well-maintained fire roads and…
22
riders
23.4km
02:30
720m
720m
The Tamarancho to Cascade Fire Road loop offers a fantastic mountain biking adventure, blending varied terrain from dense redwood and oak forests to open meadows. You'll navigate technical singletrack sections,…
4.3
(3)
16
riders
25.2km
02:37
720m
720m
The Pine Mountain Loop offers a challenging mountain biking experience through Marin County's scenic landscapes. You'll navigate primarily fire roads, but expect very rocky and steep sections, some with grades…
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Popular around Marin County
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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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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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GREAT beginner mountain biking trail! Some fun offshoot trails as well, I recommend bullet hill trail for some fun.
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Great spot post hiking or biking, good beer, good vibes, great food, and vegan options!
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On Shaver Grade Road, you get to ride along the incredibly blue waters of Phoenix Lake.
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Hogback fire road climbs up to this point along the spine of a ridge, mostly steep and direct.
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Sweeping views south and east, all the way to SF, and Mt Tam right above behind you to the north. The bench is dedicated to the family who built their house in front of you 60 years ago.
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Marin County offers a wide array of mountain biking routes, with over 190 trails documented on komoot. These routes cater to all skill levels, from easy paths to challenging technical descents, ensuring a diverse experience for every rider.
Marin County's trails feature diverse landscapes, including coastal views, dense redwood groves, oak woodlands, and even salt marshes. You'll encounter significant elevation changes, particularly around Mount Tamalpais. There are 30 easy routes, 108 moderate routes, and 52 difficult routes. For a challenging ride with technical singletrack and rock gardens, consider the Fairfax Tamarancho Trails loop. If you prefer a more relaxed experience, the Beginner Loop – China Camp State Park offers wide, smooth sections with bay views.
Yes, Marin County has several options suitable for families. The Beginner Loop – China Camp State Park is an excellent choice, featuring wide, smooth paths through oak woodlands and along the waterfront. Additionally, the Bear Valley Trail in Point Reyes National Seashore offers a wide, flat, and sheltered path, perfect for beginners and families, leading towards Arch Rock and the Pacific Ocean.
Many trails in Marin County offer stunning vistas. The Mt. Tam Summit loop — Mt. Tamalpais Watershed provides spectacular views of the San Francisco Bay and the Pacific Ocean. Trails in the Marin Headlands, such as the Tennessee Valley/Miwok loop, offer breathtaking coastal views, including the Golden Gate Bridge and San Francisco skyline. China Camp State Park also provides killer views of San Francisco Bay.
Absolutely. Marin County is known for its redwood groves. The Mt. Tam Summit loop — Mt. Tamalpais Watershed takes you through majestic redwood groves and oak woodlands. The Fairfax Tamarancho Trails loop also features sections with redwood flow, offering a unique riding experience.
Marin County trails offer access to various points of interest. On Mount Tamalpais, you can find the West Point Inn and the Sunrise Site, both offering great views. The Beginner Loop – China Camp State Park winds past historic Chinese American fishing villages. The Marin Headlands offer views of the Golden Gate Bridge and access to Tennessee Cove. You can also find facilities like the Lake Lagunitas Picnic Area and Trailhead near some routes.
Yes, many of Marin County's mountain bike trails are designed as loops, offering a continuous riding experience without retracing your steps. Examples include the Marin Three Lakes loop, the Marincello/Bobcat/Old Springs loop, and the Pine Mountain loop.
Marin County offers excellent mountain biking conditions year-round, though spring and fall are particularly pleasant with mild temperatures and vibrant scenery. Summers are generally warm and dry, while winters can bring rain, which may make some trails muddy. Always check local weather conditions before heading out.
While many trails are freely accessible, some areas, like the Camp Tamarancho trail system in Fairfax, require a day permit to ride. It's always a good idea to check the specific regulations for the park or land management area you plan to visit before your ride.
The area is highly rated by the komoot community, with an average score of 4.7 stars from over 400 reviews. Riders often praise the diverse terrain, from technical singletrack to smooth paths, and the stunning natural beauty, including redwood groves, coastal views, and panoramic vistas from Mount Tamalpais. The historical significance of Marin County as the birthplace of mountain biking also adds to its appeal.
Yes, Marin County is home to Stafford Lake Bike Park in Novato. This 17-acre community-built park caters to all skill levels with features like a perimeter trail, dual slalom, a progression jump course, and a beginner pump track, making it a great spot for skill development and fun.
Certainly. Marin County, especially around Mount Tamalpais and the Marin Headlands, offers routes with substantial elevation gain. For example, the Tennessee Valley/Muir Beach loop involves nearly 1,000 meters of climbing, providing a demanding and rewarding experience with incredible views.


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