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Phoenix Lake – Fish Gulch trail junction loop from Mill Valley

Phoenix Lake – Fish Gulch trail junction loop from Mill Valley

Hard

3.2

(24)

riders

Phoenix Lake – Fish Gulch trail junction loop from Mill Valley

03:59

45.7km

1,180m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: March 27, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Blithedale Summit Open Space Preserve

Baltimore Canyon Open Space Preserve

Waypoints

Start point

Bus stop

Get Directions

4.23 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

7.15 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

7.26 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

20.8 km

Phoenix Lake

Highlight • Lake

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

Tip by

21.6 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

30.8 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

33.0 km

Mount Tamalpais West Point

Peak

33.3 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

34.0 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

45.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

29.3 km

8.76 km

5.15 km

2.51 km

< 100 m

Surfaces

29.2 km

9.20 km

7.02 km

295 m

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)

Weather

Today

Tuesday 19 May

25°C

13°C

0 %

Additional weather tips

Max wind speed: 25.0 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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Phoenix Lake – Fish Gulch trail junction loop from Mill Valley

West Blithedale Avenue Trailhead

Old Railroad Grade Trail Gate Overlook

Railroad Grade at Fern Canyon & Summit

Phoenix Lake

Fish Gulch trail junction

Old Railroad Grade Trail (upper half) — Mt Tam

Flowy downhill section above Laguna Creek

Railroad Grade Fire Road Overlook to San Francisco

Nearby routes

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