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Lake Lagunitas Dam – Eldridge Grade Fire Road 🚵 loop from Fairfax

Routes

Bike touring routes & trails

Lake Lagunitas Dam – Eldridge Grade Fire Road 🚵 loop from Fairfax

Hard

4.8

(7480)

13,395

riders

Lake Lagunitas Dam – Eldridge Grade Fire Road 🚵 loop from Fairfax

02:10

21.8km

510m

Cycling

Hard bike 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: June 8, 2026

Waypoints

Start point

Bus stop

Get Directions

4.97 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 …

Tip by

5.89 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

7.10 km

Lake Lagunitas Picnic Area and Trailhead

Highlight • Rest Area

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

Tip by

7.43 km

Lake Lagunitas Spillway and Picnic Platform

Highlight • Lake

Shaded picnic platform overlooking the lake and some interesting display of low-tech dam water management infrastructure.

Tip by

7.55 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 …

Tip by

11.0 km

Eldridge Grade Fire Road 🚵

Highlight (Segment) • Trail

Great hiking and mountain biking on this gravel fire road in Mt Tamalpais watershed. It climbs steeply from the intersection of Shaver Grade Road and Fish Gulch Fire Road near …

Tip by

15.0 km

Pilot Knob Trail

Highlight • Trail

21.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

15.9 km

3.48 km

2.31 km

< 100 m

Surfaces

15.9 km

3.43 km

2.19 km

216 m

Elevation

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

Highest point (420 m)

Lowest point (30 m)

Weather

Thursday 9 July

28°C

10°C

-- %

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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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Lake Lagunitas Dam – Eldridge Grade Fire Road 🚵 loop from Fairfax

Sky Oaks Road (junction with Shaver Grade Road)

Bon Tempe Lake

Lake Lagunitas Picnic Area and Trailhead

Lake Lagunitas Spillway and Picnic Platform

Lake Lagunitas Dam

Eldridge Grade Fire Road 🚵

Pilot Knob Trail

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