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United States
California
Marin County

San Pedro Mountain Open Space Preserve

The best road cycling routes in San Pedro Mountain Open Space Preserve

4.6

(101)

5,626

riders

86

rides

Looking for the best road cycling routes in San Pedro Mountain Open Space Preserve? Then browse our collection of rides around this beautiful natural park in in Marin County below — and discover more of on your next visit.

Last updated: December 16, 2025

5.0

(5)

399

riders

1. Nicasio Reservoir loop from Marin Civic Center — Marin County

80.2km

03:50

980m

980m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

Hard

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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