Lake Lagunitas Dam – Mount Tamalpais Summits loop from Fairfax

Routes

Bike touring routes & trails

Lake Lagunitas Dam – Mount Tamalpais Summits loop from Fairfax

Hard

4.8

(5023)

15,753

riders

Lake Lagunitas Dam – Mount Tamalpais Summits loop from Fairfax

03:34

43.4km

1,040m

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: August 13, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Mount Tamalpais State Park

Golden Gate National Recreation Area

Waypoints

Start point

Bus stop

Get Directions

4.03 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

4.96 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

6.35 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

14.2 km

Mount Tamalpais Summits

Highlight (Segment) • Summit

Mount Tamalpais is the highest peak in the Marin Hills, which are part of the Northern California Coast Ranges. The elevation at the West Peak, its highest point, where a …

Tip by

19.2 km

View of San Francisco Bay from Mount Tamalpais

Highlight • Viewpoint

Mount Tamalpais State Park is a majestic area in the heart of Marin County, with sweeping hillsides covered in fantastic redwood forest, open grasslands, sturdy chaparral, and wooded oaklands. The …

Tip by

22.1 km

Twin Knolls

Highlight • Viewpoint

Twin Knolls offers a sweeping view of Stinson Beach from the height of the 7 Sisters, the informal name of Ridgecrest Blvd.

Tip by

29.7 km

Alpine Lake Dam

Highlight • Lake

A beautiful reservoir in the valley of Mt. Tam. It has a great climb up both ways to either get back to Fairfax or to summit Mt. Tam. This is …

Tip by

33.2 km

Mount Tamalpais Watershed

Nature Reserve

36.2 km

Pine Mtn Ridge

Highlight • Climb

This ridge is the culmination of the first major climb segment coming from Fairfax. The road then drops to the west to cross Alpine dam, before it climbs the Bolinas ridge.

Tip by

43.4 km

End point

Bus stop

Way Types & Surfaces

Way Types