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Routes
Mountain biking trails
United States
San Francisco

Coast View Trail – Golden Gate Bridge loop from Castro

Routes
Mountain biking trails
United States
San Francisco

Coast View Trail – Golden Gate Bridge loop from Castro

Hard

2.8

(9)

81

riders

Coast View Trail – Golden Gate Bridge loop from Castro

05:53

78.6km

1,350m

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: May 28, 2026

Tips

Includes a segment in which cycling is not permitted

After 29.4 km for 55 m

Waypoints

A

Start point

Train Station

Get Directions

9.24 km

Battery Marcus Miller

Fort

2

26.2 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

3

29.2 km

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

4

29.3 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 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

5

33.2 km

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

Tip by

6

34.0 km

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

Tip by

7

37.4 km

Old Mine Trail (lower) 🌲

Highlight (Segment) • Trail

Old Mine Trail's lower section climbs from the intersection of Dipsea, Coastal, and Dear Park Rd trails at Cardiac Hill gently to the busy Pantoll trailhead/campground/Ranger Station at the intersection of Panoramic Highway with Pantoll Road.
Old Mine Trail's upper section continues across the highway on steeper switchbacks to the Rock Springs parking at Ridgecrest Blvd parallel to the more gentle paved Pantoll Rd ( komoot.de/highlight/198543 ).
This is a section of longer tours along the ridges with more highlights and photos: komoot.de/tour/13627075

Tip by

8

38.3 km

Coast View Trail

Highlight (Segment) • Trail

Not only does Coast View Trail stage vistas of beautiful coastal hillsides and the ocean in front of you as you descend, but it also happens to be a very nice singletrack though perhaps a fairly wide one in some places. It's a really rare treat in Marin County, but this trail is pretty enough that it would have qualified as a treat even if singletracks were a dime a dozen in Marin. This is a beautiful singletrack descent by any standard.

Coast View Trail ends at Highway 1 near Muir Beach. Once you come all this way to Muir Beach, it would be a shame to leave without taking in the views from Muir Beach Overlook. The route shown on this page features a spur toward the overlook, though my visit there was thwarted at the time of the ride you see on this page due to some renovation going on at its parking lot

Tip by

9

67.3 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 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

B

78.6 km

End point

Train Station

Loading

Way Types & Surfaces

Way Types

42.2 km

20.3 km

6.30 km

6.16 km

1.96 km

1.78 km

< 100 m

Surfaces

43.8 km

17.7 km

12.4 km

3.32 km

1.25 km

210 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 (530 m)

Lowest point (0 m)

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Weather

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Today

Monday 6 July

17°C

12°C

0 %

Additional weather tips

Max wind speed: 30.0 km/h

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Description

If you're looking for an epic day out on two wheels that truly tests your endurance and rewards you with unparalleled views, the Coast View Trail – Golden Gate Bridge loop from Castro is a difficult mountain biking route spanning 48.8 miles (78.6 km) with a substantial 4431 feet (1351 metres) of elevation gain, typically taking around 5 hours and 53 minutes. This extensive ride is best suited for experienced mountain bikers seeking a challenging adventure that combines classic singletrack with iconic Bay Area landmarks.

What to expect on Coast View Trail – Golden Gate Bridge loop from Castro

This route offers a journey through incredibly diverse landscapes, starting from the urban energy of Castro and transitioning into the dramatic coastal bluffs and open, scrub-lined ridges of the Coast View Trail. You'll navigate largely singletrack terrain, which can be quite challenging due to surface erosion, deep ruts, and rocks, especially on descents where constant braking and high alertness are required. Expect stunning panoramic ocean views as you descend towards the Pacific, with glimpses of the San Francisco Bay and even redwood forests in associated sections. This is a classic XC singletrack experience, but be prepared for significant climbs, some of which might even require walking your bike.

Planning your visit

Connecting the Coast View Trail in Mount Tamalpais State Park to a loop originating in Castro and crossing the Golden Gate Bridge is a very extensive undertaking, combining distinct trail systems. Be aware that this comprehensive loop will likely involve significant road riding sections to link the different geographical areas. The Coast View Trail itself is a popular multi-use trail, so you should be mindful of hikers, particularly if you're riding on weekends. Given the distance and elevation, plan for an early start and carry plenty of water and supplies.

Trail details

  • Distance: 48.8 miles (78.6 km)
  • Elevation gain: 4431 feet (1351 metres)
  • Difficulty: difficult
  • Estimated time: 5 hours and 53 minutes

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