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Routes
Mountain biking trails
United States
California
Marin County
Mill Valley

Pantoll Road loop from Mill Valley

Routes
Mountain biking trails
United States
California
Marin County
Mill Valley

Pantoll Road loop from Mill Valley

Moderate

4.6

(7639)

11,374

riders

Pantoll Road loop from Mill Valley

03:05

31.4km

900m

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 9, 2026

Tips

Includes a segment in which cycling is not permitted

After 31.1 km for 80 m

Waypoints

A

Start point

Bus stop

Get Directions

1

2.03 km

West Blithedale Avenue Trailhead

Highlight • Trail

The wood bridge across the creek marks the beginning of the Old Railroad Grade, today a wide fireroad

Tip by

2

4.95 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

5.06 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

7.70 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

5

9.50 km

Railroad Grade Fire Road Overlook to San Francisco

Highlight • Viewpoint

On clear days views open up along the trail across the bay and including the San Francisco skyline

Tip by

6

10.2 km

Flowy downhill section above Laguna Creek

Highlight • Trail

After looping around West Point the Railroad Grade trail snakes through open and tree-lined sections with fun curves.

Tip by

10.5 km

Mount Tamalpais West Point

Peak

8

10.6 km

Old Railroad Grade Trail (upper half) — Mt Tam

Highlight (Segment) • Trail

Old Railroad Grade trail follows the route of the railroad that reached the peak of Mount Tam from Mill Valley (and a spur to Muir Beach) between 1896 and 1930. …

Tip by

9

18.1 km

Pantoll Road

Highlight (Segment) • Viewpoint

Pantoll Road in Mount Tamalpais State Park connects Panoramic Highway at the Pantoll Ranger Station/Campground trailhead ( bahiker.com/northbayhikes/pantoll.html ) with Ridgecrest Boulevard at Rock Springs trailhead. It is a mostly …

Tip by

B

31.4 km

End point

Bus stop

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Way Types & Surfaces

Way Types

17.5 km

7.30 km

6.52 km

< 100 m

< 100 m

Surfaces

13.6 km

7.89 km

6.43 km

3.05 km

298 m

102 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 (740 m)

Lowest point (20 m)

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Weather

Powered by Foreca

Today

Monday 18 May

30°C

14°C

0 %

Additional weather tips

Max wind speed: 26.0 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.

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