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Mountain biking trails

United States

San Francisco

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

05:15

74.7km

1,140m

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: August 7, 2026

Tips

Includes a segment in which cycling is not permitted

After 33.4 km for 55 m

Waypoints

Start point

Train Station

Get Directions

12.3 km

Battery Marcus Miller

Fort

16.5 km

Beach

30.3 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

33.2 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

33.3 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 brings you to the end of Fern Cyn. A bit before the end the Railroad Grade gravel forest road splits off again to the right. The Temalpa Trail that joins here is steep with stairs, not open to biking.

Tip by

34.5 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

35.5 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

36.8 km

Fern Creek and spring

Highlight • River

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

Tip by

38.5 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 was named for a band of Coast Miwok Indians that lived nearby or because of Miwok middens discovered in the area.

Tip by

60.0 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 northern tip of the San Francisco Peninsula to Marin County, with fantastic views of the city, marina and Crissy Field. It’ is one of the most internationally recognized symbols of San Francisco, California, and the United States, putting it at the top of many cyclist's bucket lists.

While crossing, you can gaze up at the towering beams above or look down into the deep waters of the San Francisco Strait below you as sailboats drift by in the mouth of the Bay. Traveling along the Bridge can be cold, windy, and foggy, even in the summer, so dress appropriately.

At the south end, you can purchase a souvenir at the Golden Gate Bridge Pavilion and visit the café next to the visitor center. Restrooms are at both the north and south ends, and cyclists have toll-free access to the Bridge's sidewalks 24 hours a day. A bike ride across this extraordinary Bridge is an adventure you don't want to miss!

Tip by

65.1 km

Viewpoint

74.7 km

End point

Train Station

Way Types & Surfaces

Way Types

46.8 km

13.8 km

8.00 km

5.00 km

1.08 km

101 m

< 100 m

Surfaces

44.2 km

14.9 km

7.49 km

6.52 km

1.48 km

162 m

Elevation

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

Highest point (480 m)

Lowest point (0 m)

Weather

Today

Thursday 20 August

17°C

12°C

0 %

Additional weather tips

Max wind speed: 30.0 km/h

to get more detailed weather forecasts along your route

Comments

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

West Blithedale Avenue Trailhead

Old Railroad Grade Trail Gate Overlook

Railroad Grade at Fern Canyon & Summit

Former Railroad and Gravity Car Station

Old Railroad Grade: Blithedale to Gravity Car

Fern Creek and spring

Hoo-Koo-E-Koo Fire Road Trail

Golden Gate Bridge

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