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Routes
MTB trails
United States
California
San Mateo County

Thornewood Open Space Preserve (Closed Area)

Routes
MTB trails
United States
California
San Mateo County

Thornewood Open Space Preserve (Closed Area)

The best MTB trails in Thornewood Open Space Preserve (Closed Area)

4.8

(100)

1,427

riders

50

rides

Looking for the best mountain biking routes in Thornewood Open Space Preserve (Closed Area)? Then browse our collection of mtb rides around this beautiful natural park in San Mateo County below — and discover more of on your next visit.

Last updated: December 9, 2025

5.0

(2)

37

riders

1. Stevens Creek Nature Trail loop from Portola Valley

25.7km

03:08

620m

620m

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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Hard

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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4.6

(9)

176

riders

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate

5.0

(3)

32

riders

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate

4.0

(1)

17

riders

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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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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Most popular routes in Thornewood Open Space Preserve (Closed Area)

Hiking in Thornewood Open Space Preserve (Closed Area)

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Browse the best MTB trails in other regions.

Thornewood Open Space PreserveLa Honda Creek Open Space Preserve (Closed Areas)La Honda Creek Open Space Preserve (Permit Area)Wunderlich County ParkEl Corte De Madera Creek Open Space PreserveTeague Hill Open Space PreserveEl Corte De Madera Creek Open Space Preserve (Closed Area)Huddart County ParkPurisima Creek Redwoods Open Space Preserve (Closed Area)Tunitas Creek Open Space Preserve (Closed)Purisima Creek Redwoods Open Space PreserveBelmontPulgas Ridge Open Space PreserveMontaraSan CarlosLaderaSan Pedro Valley County ParkSan MateoWest Menlo ParkMiramontes Ridge Open Space Preserve (Closed)Burleigh H. Murray Ranch State ParkBurlingameHillsboroughBaywood ParkWindy Hill Open Space PreservePortola ValleySan BrunoWindy Hill Open Space Preserve (Closed Areas)PacificaMillbraeLa HondaSouth San FranciscoMenlo ParkFoster CityHighlandsPortola Redwoods State ParkLong Ridge Open Space Preserve (Closed Areas)Pescadero Creek County ParkCoal Creek Open Space PreserveSkyline Ridge Open Space Preserve (Closed Area)Skyline Ridge Open Space PreserveBroadmoorRavenswood Open Space PreserveRussian Ridge Open Space Preserve (Closed Area)Emerald Lake HillsRedwood CityWoodsideEast Palo AltoBrisbaneRussian Ridge Open Space PreserveEl GranadaDaly CitySan Bruno Mountain State ParkAthertonColmaLa Honda Creek Open Space PreserveMoss BeachNorth Fair OaksHalf Moon Bay

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