Mount Tamalpais & Coastal Trail loop
Mount Tamalpais & Coastal Trail loop
2.7
(19)
62
riders
03:20
35.4km
840m
Mountain biking
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, you'll be treated to breathtaking panoramic views of the Pacific Ocean and the San Francisco Bay Area, with the descent along the Coast View Trail providing particularly memorable vistas.
This moderate 22.0-mile (35.4 km) route involves a substantial 2755 feet (840 metres) of elevation gain, typically taking around 3 hours and 19 minutes to complete. The terrain varies from challenging fire road climbs with grades up to 12% to thrilling single-track descents, so you'll need good fitness and solid riding skills. Plan to start early to make the most of the daylight and avoid potential crowds, especially on weekends.
Mount Tamalpais is historically significant as the birthplace of modern mountain biking, making this loop a ride through history as much as through nature. The park's extensive trail network provides a mix of challenges and scenic rewards, attracting riders from all over. While the route is generally considered moderate, it can be modified for more technical challenges, offering something for many skill levels.
Last updated: June 9, 2026
Tips
Your route passes through protected areas
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Waypoints
Start point
Parking
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12.4 km
Highlight • Viewpoint
Tip by
16.5 km
Highlight (Segment) • Trail
Tip by
24.5 km
Highlight (Segment) • Trail
Tip by
35.4 km
End point
Parking
Way Types & Surfaces
Way Types
21.1 km
4.57 km
4.17 km
2.53 km
1.70 km
1.34 km
< 100 m
Surfaces
11.3 km
8.02 km
6.41 km
5.55 km
3.95 km
236 m
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Elevation
Highest point (530 m)
Lowest point (0 m)
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Weather
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Sunday 12 July
27°C
13°C
0 %
Additional weather tips
Max wind speed: 10.0 km/h
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This route was planned by komoot.
The terrain is quite varied, offering a mix of fire roads, designated single-track trails, and some paved sections. You'll ride through redwood forests, oak woodlands, and open grasslands. Expect significant elevation gains and descents throughout the route. For example, the Coast View Trail is a scenic singletrack, while other sections like Deer Park Fire Road are fire roads that can be quite steep.
This loop is rated as moderate. While it offers diverse riding, some sections involve significant elevation gains and descents, with certain climbs reaching a 12% grade. Riders should have good fitness and some mountain biking experience. The Coast View Trail is often described as an easy, fast, and non-technical descent, but the overall loop presents challenges.
The scenery is a major highlight. You'll be treated to breathtaking vistas of the San Francisco Bay Area, the Pacific Ocean, and on clear days, even the distant Sierra Nevada mountains. Specific trails offer views of Muir Woods and the coastline. The West Point Vista and picnic area provides extensive panoramic views, and the Coast View Trail stages beautiful coastal hillsides and ocean views as you descend.
Mount Tamalpais State Park has several parking areas. Specific parking information for the start of this loop can vary, but popular access points often include areas near Pantoll Campground or Stinson Beach, which provide access to various trails within the park. It's advisable to check the park's official website for the most current parking details and any potential fees.
Mount Tamalpais State Park generally has day-use fees for parking. These fees contribute to the maintenance and operation of the park. Specific permits for mountain biking are typically not required beyond the standard park entrance/parking fee, but it's always best to check the official California State Parks website for the most up-to-date information on fees and regulations before your visit.
Dogs are generally allowed in Mount Tamalpais State Park on paved roads and fire roads, but they must be kept on a leash no longer than six feet. However, dogs are often not permitted on single-track trails. Since this loop includes single-track sections, it is generally not suitable for riding with dogs. Always check specific trail regulations before heading out.
The Mount Tamalpais area is enjoyable year-round, but the best times are typically spring and fall. During these seasons, the weather is mild, and the views are often clearest. Summer can be warm, especially on exposed sections, and winter can bring rain, making some trails muddy or slippery. Always check weather conditions before your ride.
Yes, this route intersects with several other notable trails. You'll find sections that are part of the Bay Area Ridge Trail - 01 - North Bay, Marin Coastal Bike Route, and the California Coastal Trail. Other trails like the Coastal Fire Road, Hoo-Koo-E-Koo Trail, and Old Railroad Grade Fire Road also make up significant portions of the loop.
This loop stands out for its unique combination of diverse ecosystems, transitioning from redwood forests to coastal landscapes. It offers consistent, panoramic views of the San Francisco Bay and Pacific Ocean. The variety of riding—fire roads, singletrack, and paved sections—caters to different preferences within a single route. Its accessibility just north of San Francisco also makes it a popular choice.
Be prepared for significant climbs; some sections, particularly on fire roads like the initial part of Deer Park Fire Road, can be quite steep, averaging a 12% grade. While the overall difficulty is moderate, these climbs require good fitness. Descending the Coast View Trail offers a rewarding, non-technical experience with great views.
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