Jason’s Shaft
Mill Valley · California
0.8 mi
Distance
...
Net Elevation
9 min
Est. Time
Peak Elevation
...
Difficulty
Black Diamond
0.8 mi
Distance
...
Net Elevation
9 min
Est. Time
...
Peak Elevation
Black Diamond
Difficulty
Know this trail?
Suggest map, difficulty, surface, photo, or route updates in the Trail Portal.
Use RidePal to explore the full trail map and nearby routes.
Weather outlook
CloudyNo significant precipitation expected.
Little rain is indicated. Shaded or poorly drained sections may still be wet.
This looks like a wetter week around the trail, with 4 days showing meaningful rain chances.
Forecast window
Saturday
a high near 51°F, little expected rain, 23% rain chance
Weather-based estimate. Always check local closures and posted trail conditions before riding.
Forecast data via Open-Meteo. Forecast date: .
About This Trail
Jason’s Shaft is a 0.8-mile enduro mountain bike trail near Mill Valley, California. RidePal marks it as a black diamond trail. Surface: singletrack. Listed stats: an estimated ride time of 9 min.
Mountain Biking in Mill Valley
Mill Valley is one of the mountain biking hubs in California, with mapped trail coverage on RidePal. Use Jason’s Shaft as a starting point to compare nearby routes by distance, difficulty, surface, elevation profile, and ride time.
View all MTB trails in Mill ValleyTrail Photos
No photos yet
Trail Details
Data Source
RidePal Submission
Ride Style
Enduro
Surface
Singletrack
Technical Rating
Black Diamond
Trail Style
Tech
Trail Width
Singletrack
Trail Reviews
Community ratings and recent trail conditions
Keep exploring
Mountain Bike Trails Near Mill Valley
Compare nearby RidePal trail pages by difficulty, distance, route style, and local ride context.
Jason’s Shaft FAQ
Where is Jason’s Shaft?
Jason’s Shaft is a mountain bike trail near Mill Valley, California. RidePal maps the route, trail stats, photos, reviews, and nearby rides for this area.
How difficult is Jason’s Shaft?
Jason’s Shaft is 0.8 miles long, rated black diamond, with a singletrack surface, with an estimated ride time of 9 min. Check the map and recent conditions before riding.
What is the weather outlook for Jason’s Shaft?
Weather forecast for 2026-11-12: No significant precipitation expected. Little rain is indicated. Shaded or poorly drained sections may still be wet. Weather-based estimate. Always check local closures and posted trail conditions before riding.
What other mountain bike trails are near Jason’s Shaft?
Nearby RidePal trail pages in Mill Valley include Dr Pepper (Dias Ridge and Miwok Cuts), Myrtle Cut, Hoo Koo Cut, Lower Gnomes, Pixie Trail. Use the nearby trails section to compare distance, difficulty, and route style.
What kind of ride is Jason’s Shaft?
Jason’s Shaft is listed as tech.
How can I update information for Jason’s Shaft?
Use the RidePal contribution portal from this page to submit corrections, photos, reviews, or route updates for Jason’s Shaft.
Know this trail?
Open the Trail Portal to suggest corrections, photos, or route updates.
Plan the ride in the app
Ride Jason’s Shaft with RidePal
Open the interactive MTB map, check ride conditions, use offline navigation, record your ride, and add photos or reviews.
Explore Jason’s Shaft in RidePal
MTB maps, navigation, reviews, and tracking