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United States
California
San Mateo County
Millbrae

San Andreas Lake – Crystal Springs Reservoir dam loop from Millbrae

Routes
Road cycling routes
United States
California
San Mateo County
Millbrae

San Andreas Lake – Crystal Springs Reservoir dam loop from Millbrae

Moderate

3.0

(2)

50

riders

San Andreas Lake – Crystal Springs Reservoir dam loop from Millbrae

02:04

42.0km

500m

Road cycling

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

Last updated: August 10, 2026

Waypoints

A

Start point

Train Station

Get Directions
1

535 m

Milbrae downtown — Camino Real

Highlight • Settlement

The stretch of El Camino Real through downtown Milbrae is an area of focus for repurposing some of the 6 lanes for more cycle, pedestrian, and business traffic. The goal …

Tip by

2

4.52 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

3

16.0 km

Crystal Springs Reservoir dam

Highlight (Segment) • Monument

The dam separating upper and lower Crystal Springs Reservoir also serves as a crossing for Hwy 35/92

Tip by

4

17.7 km

Bike Sunday - no motorized vehicles on Sundays, we've got the whole road for ourselves.

Tip by

5

21.3 km

Pulgas Water Temple

Highlight • Monument

San Francisco built Pulgas Water Temple as a monument to the engineering marvel that brought Hetch Hetchy water more than 160 miles across California from Yosemite National Park in the …

Tip by

6

28.8 km

The 15-mile Crystal Springs Regional Trail is one of the best mostly paved bike trails with few cars in the Bay Area. It spans from San Bruno to Woodside and …

Tip by

7

32.1 km

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, …

Tip by

B

42.0 km

End point

Train Station

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Way Types & Surfaces

Way Types

32.2 km

5.18 km

3.59 km

820 m

140 m

< 100 m

Surfaces

40.9 km

600 m

497 m

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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 (180 m)

Lowest point (0 m)

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Weather

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Today

Wednesday 14 October

23°C

12°C

0 %

Additional weather tips

Max wind speed: 23.0 km/h

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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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