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Routes
Mountain biking trails
United States
California
Marin County
Larkspur

Mountainbike loop from Larkspur

Moderate

3.3

(13)

69

riders

Mountainbike loop from Larkspur

02:28

27.8km

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: April 5, 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

Get Directions

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

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

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

27.8 km

End point

Train Station

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Way Types & Surfaces

Way Types

12.0 km

7.24 km

5.81 km

1.34 km

1.10 km

387 m

Surfaces

7.56 km

6.98 km

6.83 km

3.87 km

2.29 km

292 m

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Elevation

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

Wednesday 24 June

26°C

11°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Description

If you're looking for a solid, rewarding mountain biking experience in Marin County, the Mountainbike loop from Larkspur is definitely worth your time. This moderate 17.3-mile (27.8 km) route packs in 2001 feet (610 metres) of climbing over roughly 2 hours and 28 minutes, making it a great option for intermediate riders seeking a diverse ride without committing to an all-day epic.

What to expect on Mountainbike loop from Larkspur

Expect a journey through Marin's diverse landscape, with sections of dirt paths and paved roads. You'll encounter rolling hills and forested areas, eventually opening up to scenic bay views. While the route is rated moderate, you'll definitely feel the 2001 feet (610 metres) of elevation gain, so come prepared for some steady climbs. This loop is ideal for intermediate mountain bikers who appreciate a mix of terrain and stunning vistas, perhaps even catching glimpses of Mount Tamalpais and the San Francisco Bay on a clear day.

Planning your visit

The Larkspur area is known for its accessibility, with many trails easily reached. While specific parking details for this loop aren't provided, Larkspur offers various access points, some even connecting to the Larkspur Ferry Terminal. As with any mountain bike ride, check the weather forecast before you go and carry enough water, especially on warmer days. The area is enjoyable year-round, but spring and fall often offer the most pleasant riding conditions.

Trail details

  • Distance: 17.3 miles (27.8 km)
  • Elevation gain: 2001 feet (610 metres)
  • Difficulty: moderate
  • Estimated time: 2 hours and 28 minutes

Nearby routes

Hard

5.0

293

Fairfax Tamarancho Trails loop

01:42h

17.8km

410m

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