Camp Tamarancho Trailhead – B-17 crash site loop from Fairfax
Camp Tamarancho Trailhead – B-17 crash site loop from Fairfax
2.8
(8)
47
riders
Camp Tamarancho Trailhead – B-17 crash site loop from Fairfax
01:25
12.7km
420m
Mountain biking
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is accessible with public transport.
Last updated: May 1, 2026
Tips
Includes very steep uphill segments
You may need to push your bike.
After 1.83 km for 85 m
After 6.14 km for 180 m
Waypoints
Start point
Bus stop
Get Directions
1.83 km
Camp Tamarancho Trailhead
Highlight • Trail
Tip by
5.48 km
B-17 crash site
Highlight • Historical Site
12.7 km
End point
Bus stop
Way Types & Surfaces
Way Types
8.04 km
1.94 km
1.44 km
1.22 km
Surfaces
8.96 km
1.44 km
1.22 km
717 m
300 m
Sign up to see more specific route details
Sign up for free
Elevation
Highest point (290 m)
Lowest point (40 m)
Sign up to see more specific route details
Sign up for free
Weather
Powered by Foreca
Today
Thursday 23 July
27°C
13°C
0 %
Additional weather tips
Max wind speed: 22.0 km/h
to get more detailed weather forecasts along your route
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Description
If you're looking for a challenging and rewarding mountain biking experience in Marin County, the Camp Tamarancho Trailhead – B-17 crash site loop from Fairfax delivers. This difficult 7.9-mile (12.6 km) route packs in 1216 feet (371 metres) of climbing over roughly 1 hour and 19 minutes, making it a perfect pick for intermediate to advanced riders seeking technical singletrack and exhilarating flow.
What to expect on Camp Tamarancho Trailhead – B-17 crash site loop from Fairfax
The route takes you through a varied landscape of redwood and oak forests, with expansive meadows and sweeping views. You'll navigate everything from the technical switchbacks of the Alchemist Trail to the challenging rock gardens on Wagon Wheel. The B-17 Trail offers a mellower cruise through dense redwood groves, while the Endor Trail, known as the Bay Area's first flow trail, provides an exhilarating downhill experience with humps and berms. Be prepared for frequent technical features; less advanced riders might find themselves walking some sections, especially on Serpentine and Wagon Wheel.
Planning your visit
Before you head out, remember that Camp Tamarancho is private property owned by the Boy Scouts of America, so a permit is required. You can purchase a day pass for $6 or an annual pass ranging from $55 to $95. This dedicated mountain biking network is a unique offering in Marin County, so plan your visit accordingly to secure your pass.
Trail details
- Distance: 7.9 miles (12.6 km)
- Elevation gain: 1216 feet (371 metres)
- Difficulty: difficult
- Estimated time: 1 hours and 19 minutes
Comments
Want to know more?
Sign up for a free komoot account to join the conversation.
Sign up for free