Hoo-Koo-E-Koo Fire Road Trail – Golden Gate Bridge loop from Ocean Avenue & Jules Avenue

Routes

Mountain biking trails

United States

San Francisco

Hoo-Koo-E-Koo Fire Road Trail – Golden Gate Bridge loop from Ocean Avenue & Jules Avenue

Hard

4.8

(6121)

9,344

riders

Hoo-Koo-E-Koo Fire Road Trail – Golden Gate Bridge loop from Ocean Avenue & Jules Avenue

05:16

75.0km

1,110m

Mountain biking

Hard mountain bike ride. Very 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

Cycling is not permitted along parts of this route

After 10.3 km for 173 m

After 33.7 km for 55 m

Waypoints

Start point

Train Station

Get Directions

12.3 km

Battery Marcus Miller

Fort

16.8 km

Beach

30.6 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

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33.5 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.

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33.6 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 …

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34.8 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.

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35.8 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

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37.1 km

Fern Creek and spring

Highlight • River

Delicious water emerging from the rock wall just past the creek along the fire road

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38.8 km

Hoo-Koo-E-Koo Fire Road Trail

Highlight (Segment) • Trail

The Hoo-Koo-E-Koo Fire Road skirts the east side of Mount Tamalpais; its winding route features stunning scenic views of San Francisco Bay and the Marin peninsula. Some say the trail …

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60.3 km

Golden Gate Bridge

Highlight (Segment) • Bridge

When you think of the iconic features of San Francisco, the Golden Gate Bridge is one of the first things that comes to mind. This impressive suspension bridge links the …

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