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: March 20, 2026

Waypoints

Start point

Train Station

Get Directions

3.97 km

San Andreas Trailhead — Skyline Boulevard

Highlight • Trail

The San Andreas Trail, a popular multi-use path in San Mateo, starts/ends at this point by the intersection of Skyline Boulevard and San Bruno Avenue. Unfortunately, there are no amenities …

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3.98 km

San Andreas Trail

Highlight (Segment) • Trail

Paved bike trail along the San Andreas fault between the lake and Skyline Blvd to Crystal Springs.

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23.5 km

Ralston Bike Trail

Highlight (Segment) • Cycleway

The Ralston Bike Trail is a paved path connecting the Belmont community to the Crystal Springs Trail. Stretching one mile, it runs from the Ralston Avenue interchange at Highway 92, …

Tip by

31.1 km

Lower Crystal Springs Reservoir

Highlight • Lake

Lower Crystal Springs Reservoir is part of the Crystal Springs Reservoir system, and provides water to the San Francisco Bay Area. The area surrounding the reservoir is rich in biodiversity, …

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33.6 km

Jepson Laurel

Highlight • Natural Monument

Biggest Laurel tree in California

Tip by

36.4 km

San Andreas Lake

Highlight • Lake

San Andreas Lake is a hidden gem tucked into the hills of San Mateo County, just south of San Francisco. Originally a natural sag pond formed by the San Andreas …

Tip by

46.1 km

End point

Train Station

Way Types & Surfaces

Way Types

35.1 km

5.64 km

3.17 km

1.88 km

204 m

140 m

Surfaces

45.4 km

675 m

< 100 m

Elevation

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

Highest point (210 m)

Lowest point (10 m)

Weather

Today

Friday 24 April

17°C

11°C

0 %

Additional weather tips

Max wind speed: 27.0 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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San Andreas Trail – San Andreas Lake loop from San Bruno

San Andreas Trailhead — Skyline Boulevard

San Andreas Trail

Ralston Bike Trail

Lower Crystal Springs Reservoir

Jepson Laurel

San Andreas Lake

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