Looking for the best road cycling routes in Thornewood Open Space Preserve (Closed Area)? Then browse our collection of rides around this beautiful natural park in in San Mateo County …

Last updated: September 25, 2025

5.0

(1)

156

riders

1. Woodside Store (Historic Site) – Tree Tunnel on Portola Road loop from Portola Valley

29.2km

01:21

310m

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

Navigate

Send to Phone

Save

Intermediate

5.0

(4)

riders

2. Manzanita Way – Tree Tunnel on Portola Road loop from Portola Valley

23.4km

01:06

200m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Navigate

Send to Phone

Save

Easy

Let us show you the way with the komoot mobile app

With a free komoot account, you can easily find, customize, and navigate endless outdoor adventures in England and beyond.

riders

3. Alpine Road loop from Portola Valley

11.3km

00:35

170m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Navigate

Send to Phone

Save

Easy

riders

4. Alpine Road loop from Westridge

16.7km

01:01

410m

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

Navigate

Send to Phone

Save

Intermediate

5.0

(3)

177

riders

5. Portola Valley – Dwight Crowder Path loop from Portola Valley

19.8km

00:56

250m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Navigate

Send to Phone

Save

Easy

Get access to more routes and recommendations from other explorers.

Already have an account?

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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

Hiking in Thornewood Open Space Preserve (Closed Area)

MTB Trails in Thornewood Open Space Preserve (Closed Area)

Easy hikes in Thornewood Open Space Preserve (Closed Area)

Cycling in Thornewood Open Space Preserve (Closed Area)

Gravel biking in Thornewood Open Space Preserve (Closed Area)

Running Trails in Thornewood Open Space Preserve (Closed Area)

Get inspired with the komoot mobile app

With a free komoot account, you can easily find, customize, and navigate endless outdoor adventures around London and beyond.

Join komoot Now

Explore more

Browse the best Road cycling routes in other regions.

West Menlo Park East Palo Alto Ravenswood Open Space Preserve Redwood City North Fair Oaks Pulgas Ridge Open Space Preserve Atherton San Bruno Mountain State Park Emerald Lake Hills San Bruno Menlo Park La Honda Creek Open Space Preserve Woodside Daly City Teague Hill Open Space Preserve Skyline Ridge Open Space Preserve Baywood Park San Mateo Hillsborough Half Moon Bay Moss Beach El Granada Skyline Ridge Open Space Preserve (Closed Area)Pescadero Montara Purisima Creek Redwoods Open Space Preserve (Closed Area)Millbrae Huddart County Park Tunitas Creek Open Space Preserve (Closed)San Carlos Purisima Creek Redwoods Open Space Preserve Coal Creek Open Space Preserve South San Francisco Russian Ridge Open Space Preserve (Closed Area)La Honda Pescadero Creek County Park Ladera Brisbane Highlands Russian Ridge Open Space Preserve Broadmoor Burleigh H. Murray Ranch State Park La Honda Creek Open Space Preserve (Permit Area)La Honda Creek Open Space Preserve (Closed Areas)Windy Hill Open Space Preserve (Closed Areas)Loma Mar Memorial County Park Burlingame Portola Valley Windy Hill Open Space Preserve Belmont Miramontes Ridge Open Space Preserve (Closed)Butano State Park El Corte De Madera Creek Open Space Preserve Wunderlich County Park Thornewood Open Space Preserve Año Nuevo State Park Pigeon Point County Park San Pedro Valley County Park El Corte De Madera Creek Open Space Preserve (Closed Area)Portola Redwoods State Park Pacifica Colma Foster City Long Ridge Open Space Preserve (Closed Areas)

The best road cycling routes in Thornewood Open Space Preserve (Closed Area)

1. Woodside Store (Historic Site) – Tree Tunnel on Portola Road loop from Portola Valley

2. Manzanita Way – Tree Tunnel on Portola Road loop from Portola Valley

3. Alpine Road loop from Portola Valley

4. Alpine Road loop from Westridge

5. Portola Valley – Dwight Crowder Path loop from Portola Valley

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

Get inspired with the komoot mobile app

Explore more

Get ready to conquer new peaks

We value your privacy ⛰️

We value your privacy ⛰️