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Routes
Road cycling routes
United States
California
Marin County
Fairfax

Alpine Lake – Alpine Dam loop from Fairfax

Hard

3.4

(15)

78

riders

Alpine Lake – Alpine Dam loop from Fairfax

02:40

46.6km

1,040m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: May 1, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Golden Gate National Recreation Area

Mount Tamalpais State Park

Waypoints

A

Start point

Bus stop

Get Directions

9.55 km

Mount Tamalpais Watershed

Nature Reserve

2

12.4 km

Alpine Lake

Highlight • Lake

This lake was formed by the building of Alpine Dam in 1917. It sits between Kent Lake and Bon Tempe Lake, and is popular for a variety of outdoor activities.

Tip by

3

23.3 km

Set beneath the towering trees of Mount Tam, Rock Springs is the perfect jumping-off point for scenic hikes and quiet picnics—where trails, wildlife, and wide-open views begin.

Tip by

4

23.4 km

Seven Sisters

Highlight (Segment) • Mountain Pass

After climbing the Bolinas-Fairfax road from sea level at Hwy 1 (1,500 feet over four miles, reaching grades of 10% along the way) turn south when topping out at the intersection with Ridgecrest Boulevard: the four miles to the Rock Spring turnoff climb on W Ridgecrest Blvd. These are a set of rollers known as “The Seven Sisters.”
This segment is part of several loop options; for more segment highlights and labeled photos check out komoot.de/tour/10077727 or komoot.de/tour/10096376

Tip by

5

29.5 km

Fairfax—Bolinas Road

Highlight (Segment) • Trail

Bolinas-Fairfax Road climbs steeply but without car traffic on a well paved road from Hwy 1 at sea level to about 500 m elevation at the top of the Bolinas Ridge where it intersects with W Ridgecrest Boulevard to the south, continuing to climb to the top of Mount Tamalpais.

Tip by

6

33.5 km

Alpine Dam

Highlight (Segment) • Structure

Constructed in 1917 this dam forms Alpine Lake, which sites between Kent and Bon Tempe Lakes. The road across the top of the dam make it a great place to ride on a loop around the lake.

Tip by

B

46.6 km

End point

Bus stop

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Way Types & Surfaces

Way Types

46.4 km

107 m

< 100 m

Surfaces

41.3 km

5.36 km

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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 (620 m)

Lowest point (30 m)

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Weather

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Thursday 7 May

22°C

8°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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5.0

1,234

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