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Fish Gulch trail junction – Lake Lagunitas Dam loop from Fairfax

Fish Gulch trail junction – Lake Lagunitas Dam loop from Fairfax

Moderate

4.5

(2168)

16,248

riders

Fish Gulch trail junction – Lake Lagunitas Dam loop from Fairfax

01:30

17.7km

390m

Gravel riding

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

Last updated: July 10, 2026

Waypoints

Start point

Bus stop

Get Directions

539 m

Fairfax

Highlight • Settlement

This town, nestled in the forested hills among unspoiled open space in Marin County, is a nice respite from the large nearby metropolis. It is a quirky, hip place with a small-town vibe filled with restaurants, music venues, and independent shops. Fairfax is home to many musicians who live here, and on any given night, you can find live music featuring local and national touring acts jamming in a relaxed, casual atmosphere. It has a very cycle-friendly culture, and be sure to take the time to visit the Museum of Bicycling while you are here!

Tip by

718 m

Gestalt Haus

Highlight • Restaurant

Gestalt Haus is a great get together for cyclists. The restaurant has an indoor bicycle garage, european craft beers and great sausages. What else can you wish for after an awesome mountain bike loop?

Tip by

6.12 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 mt tam east peak
-Fish Grade fire road, very steep, we hiked the bikes

Tip by

7.30 km

Pilot Knob Trail

Highlight • Trail

11.2 km

Lake Lagunitas Dam

Highlight • Monument

The Lagunitas Dam, completed 151 years ago, was built in less than four months and was 480 feet long with a crest of 20 feet. The purpose was to supply development in the San Rafael area. Its current capacity is 350 acre-feet or 114 million gallons. Lake Lagunitas is one of seven Marin Municipal County Reservoirs, and the combined rainfall collected from these reservoirs makes up around 75 % of the district's water supply.

Tip by

11.4 km

Lake Lagunitas Picnic Area and Trailhead

Highlight • Rest Area

Covered shelter hut, picnic tables, restroom, and parking.

Tip by

12.6 km

Bon Tempe Lake

Highlight • Lake

West of Lake Lagunitas, Bon Tempe Lake is a reservoir managed by Marin Municipal Water District. It features striking scenery, with lush trees, clear water, and a peaceful atmosphere.

Tip by

13.5 km

Sky Oaks Road (junction with Shaver Grade Road)

Highlight • Trail

At this point on Sky Oaks Road, there is a junction with Shaver Grade Road, which connects with a dense network of trails and dirt roads near Bald Hill in the Mount Tamalpais State Park.
From here, you can continue on the paved Sky Oaks Road or go arond the gate on to the gravel Shaver Grade Road.

Tip by

17.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

9.11 km

6.04 km

2.13 km

382 m

Surfaces

9.11 km

4.74 km

3.67 km

150 m

Elevation

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

Highest point (300 m)

Lowest point (30 m)

Weather

Today

Wednesday 15 July

34°C

17°C

0 %

Additional weather tips

Max wind speed: 23.0 km/h

to get more detailed weather forecasts along your route

Comments

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Fish Gulch trail junction – Lake Lagunitas Dam loop from Fairfax

Fairfax

Gestalt Haus

Fish Gulch trail junction

Pilot Knob Trail

Lake Lagunitas Dam

Lake Lagunitas Picnic Area and Trailhead

Bon Tempe Lake

Sky Oaks Road (junction with Shaver Grade Road)

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