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Routes
Mountain biking trails
United States
San Francisco

Fish Gulch trail junction – Golden Gate Bridge loop from Castro

Routes
Mountain biking trails
United States
San Francisco

Fish Gulch trail junction – Golden Gate Bridge loop from Castro

Hard

2.9

(17)

74

riders

Fish Gulch trail junction – Golden Gate Bridge loop from Castro

06:02

82.1km

1,310m

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: March 24, 2026

Tips

Includes a segment in which cycling is not permitted

After 52.3 km for 55 m

Waypoints

A

Start point

Train Station

Get Directions

9.24 km

Battery Marcus Miller

Fort

13.5 km

Beach

Beach

3

35.2 km

Phoenix Lake

Highlight • Lake

On Shaver Grade Road, you get to ride along the incredibly blue waters of Phoenix Lake.

Tip by

4

36.0 km

Fish Gulch trail junction

Highlight • Trail

From easiest to hardest climbs out of phoenix lake from this junction:
-Shaver Grade, easy grade, longer, shaded and pretty
-Eldridge Grade, medium, good length and can connect you to …

Tip by

5

45.2 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

47.4 km

Mount Tamalpais West Point

Peak

7

47.7 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

8

48.4 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

9

52.4 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

10

52.5 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.

Tip by

11

71.3 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 …

Tip by

B

82.1 km

End point

Train Station

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Way Types & Surfaces

Way Types

46.2 km

21.2 km

6.73 km

6.62 km

997 m

283 m

166 m

Surfaces

43.4 km

15.5 km

11.0 km

7.67 km

4.18 km

441 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 (680 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Today

Friday 3 April

23°C

9°C

0 %

Additional weather tips

Max wind speed: 22.0 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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