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United States
California
San Mateo County

Thornewood Open Space Preserve

The best cycling routes in Thornewood Open Space Preserve

4.8

(29)

1,436

riders

50

rides

Touring cycling routes in Thornewood Open Space Preserve navigate a landscape characterized by rolling hills and oak woodlands, offering varied terrain for cyclists. The preserve features paved and unpaved paths that connect to broader regional networks, providing opportunities for both challenging climbs and more moderate rides. Elevation gains are common, reflecting the hilly topography of the area. The routes often provide views of the surrounding natural environment and distant vistas.

Best touring cycling routes in Thornewood Open Space Preserve

  • The…

Last updated: April 27, 2026

23

riders

#1.

Tree Tunnel on Portola Road – Old La Honda Road loop from Wunderlich County Park

17.2km

01:18

450m

450m

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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4

riders

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Tips from the Community

maniboyflex
June 20, 2025, Alice's Restaurant at La Honda and Skyline Junction

Alise’s Restaurant is a popular spot for both cyclists and motorcyclists. The food is good, the staff is known for being friendly, and the place has a laid-back, welcoming vibe—perfect for a post-ride meal or coffee break.

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This is where La Ronda Road meets Skyline Boulevard. After the climb, it’s the perfect place to recharge and grab something to eat at one of the nearby restaurants or grocery stores. Alise's Restaurant is a popular one.

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Will
June 20, 2025, Alpine Road

The Northern part of Alpine Road is a paved and curvy descent through wooded areas and runs parallel to Coal Mine Ridge Preserve, eventually connecting with the trailhead there.

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Zachary
January 23, 2025, Woodside

Woodside is a historic town-turned upscale community along the old wagon path from San Francisco to Santa Clara. The downtown is a great place to take a break from your ride and features a few quaint shops, a market, bakery, and outdoor seating.

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Woodside Store was built back in the 1850s by two pioneers who came to California for the gold rush. At the time it was the only stagecoach stop between San Francisco and Santa Clara, and it carried all the essential items that travelers riding between cities might need. The store has been restored, inside and out, to look exactly as it did centuries ago. You can call the museum ahead of your trip to book tours.

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Sue
January 10, 2025, Wunderlich County Park

Wunderlich Park, spanning 942 acres, is picturesque, with a beautiful mix of chaparral and redwood forest, expansive meadows, and striking oak and madrone trees. There is plenty of open space featuring a network of lovely hiking trails. Donated to the county by Martin Wunderlich, this area includes what was once the Folger family ranch. The stable and surrounding buildings have been meticulously restored, serving as a cherished historic landmark for the community. Dogs are not allowed in the park, so you'll need to leave your pup at home.

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Great place for a break in a beautiful, peaceful spot among the redwoods. The restaurant is popular with locals, motorcyclists, hikers, and cyclists, and is the perfect place for a cold drink after finishing the climb up.

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The Woodside Store, also known as Tripp Store, is located at 3300 Tripp Road at Kings Mountain Road in Woodside, San Mateo County, California. It has been listed on the National Register of Historic Places since 1985 and was designated a California Historical Landmark in 1949. The store's history dates back to October 1849 when Matthias Alfred Parkhurst purchased land in the area and began a shingle-making and lumber business with his partners, including Robert Orville Tripp. The store was established in 1853, originally serving the needs of lumbermen and settlers during the Gold Rush era. Dr. Tripp became the sole operator of the store after Parkhurst's death in 1863, running it until his own death in 1909. He was a well-known figure in Woodside, holding various public offices. The San Mateo County Historical Association acquired the store in the 1940s, and it was restored to its 1880s condition by 1994.

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Frequently Asked Questions

How many touring cycling routes are available in Thornewood Open Space Preserve?

Thornewood Open Space Preserve offers a diverse selection of 39 touring cycling routes. These range from easier rides to more challenging climbs, catering to various skill levels.

What are the typical difficulty levels for touring cycling routes in Thornewood Open Space Preserve?

The routes in Thornewood Open Space Preserve are predominantly moderate to difficult, reflecting the area's rolling hills and elevation changes. There are 16 moderate routes and 20 difficult routes, with a few easier options available for a more relaxed ride.

Are there any family-friendly touring cycling routes in Thornewood Open Space Preserve?

While many routes feature significant elevation, there are a few easier options suitable for families or those new to touring cycling. These routes typically stick to less steep sections, offering a pleasant experience amidst the oak woodlands.

What kind of distances and elevation gains can I expect on these touring cycling routes?

Distances vary, with routes like the Old La Honda Road – Old La Honda Road loop from Jasper Ridge Biological Preserve covering 11.2 miles (18.0 km) with over 530 meters of elevation gain. Longer, more challenging rides, such as the Old La Honda Road – Old La Honda Road loop from West Menlo Park, can extend to nearly 70 km with over 1150 meters of climbing.

Are there any circular touring cycling routes in Thornewood Open Space Preserve?

Yes, many of the touring cycling routes in the preserve are designed as loops, allowing you to start and end at the same point. Examples include the Alpine Road loop from Enid Pearson-Arastradero Preserve, which offers a moderate 13.2 km ride.

What can I see or explore along the touring cycling routes in Thornewood Open Space Preserve?

The routes offer scenic views of oak woodlands and distant vistas. You can also pass by historical points of interest, such as the Woodside Store (Historic Site), which is featured on routes like the Portola Road – Woodside Store (Historic Site) loop from Enid Pearson-Arastradero Preserve.

What is the best season for touring cycling in Thornewood Open Space Preserve?

The preserve's Mediterranean climate makes it enjoyable for cycling for much of the year. Spring offers lush greenery and wildflowers, while fall provides cooler temperatures and clear skies. Summers can be warm, so early morning rides are often preferred. Winters are generally mild, though occasional rain can affect trail conditions.

What should I bring for a day of touring cycling in Thornewood Open Space Preserve?

Given the rolling hills and potential for varied weather, it's advisable to bring plenty of water, snacks, sun protection, and layers of clothing. A basic bike repair kit and a fully charged phone are also recommended for safety.

What do other touring cyclists enjoy most about the routes in Thornewood Open Space Preserve?

The area is highly rated by the komoot community, with an average score of 4.7 stars from over 30 reviews. Reviewers often praise the challenging climbs, scenic roads, and the opportunity to connect multiple preserves, such as on the Old La Honda Road – Portola Valley loop from Enid Pearson-Arastradero Preserve.

Are there specific parking or trailhead access points for touring cyclists?

Many routes start from established preserves or public access points, such as Jasper Ridge Biological Preserve or Enid Pearson-Arastradero Preserve, which typically offer parking facilities. It's always a good idea to check specific route details for recommended starting locations and parking availability.

What are the trail conditions like after rain in Thornewood Open Space Preserve?

While many touring cycling routes utilize paved roads, some sections may include unpaved paths. After rain, unpaved sections can become muddy or slippery. Paved roads are generally fine, but caution is advised on descents due to potentially wet surfaces. It's best to check local weather conditions before heading out.

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