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Mountain biking trails

Mountainbike loop from Larkspur

Mountain biking trails

Mountainbike loop from Larkspur

Moderate

3.3

(13)

69

riders

Mountainbike loop from Larkspur

02:29

27.9km

610m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: October 1, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Blithedale Summit Open Space Preserve

Baltimore Canyon Open Space Preserve

Waypoints

A

Start point

Train Station

7.69 km

Baltimore Canyon Open Space Preserve

Nature Reserve

2

12.1 km

Old Railroad Grade Trail Gate Overlook

Highlight • Viewpoint

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.

Tip by

3

12.2 km

Railroad Grade at Fern Canyon & Summit

Highlight • Trail

Uphill from this intersection a portion of the Railroad Grade has been taken over by Fern Canyon Rd after the Mt Tam railroad closed. A short distance uphill on pavement …

Tip by

4

13.9 km

Former Railroad and Gravity Car Station

Highlight • Historical Site

There are still remnants of old train platforms visible where the Gravity cars used to intersect with the Mt Tam Railroad.

Tip by

5

14.8 km

Old Railroad Grade: Blithedale to Gravity Car

Highlight • Trail

Bottom section of the most gradual route to Mt Tam summit, following the former tourist train that worked it's way up from Mill Valley til the 1930s

Tip by

B

27.9 km

End point

Train Station

Way Types & Surfaces

Way Types

12.1 km

7.63 km

5.87 km

1.12 km

906 m

286 m

Surfaces

7.46 km

7.07 km

6.93 km

3.83 km

2.31 km

282 m

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Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (380 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Today

Thursday 15 October

33°C

11°C

0 %

Additional weather tips

Max wind speed: 11.0 km/h

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