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United States
California
San Mateo County

Skyline Ridge Open Space Preserve

The best gravel rides in Skyline Ridge Open Space Preserve

5.0

(1)

26

riders

8

rides

Gravel biking in Skyline Ridge Open Space Preserve offers diverse landscapes across its 2,143 acres. The preserve features expansive ridge vistas with views of the Santa Cruz Mountains, and on clear days, the Pacific Ocean and San Francisco Bay. Terrain includes open grasslands, oak woodlands, and areas with redwoods, alongside serene water bodies like Alpine Pond and Horseshoe Lake. The multi-use trails often have duff-covered to gravelly or rocky surfaces, making them suitable for gravel biking.

Best gravel bike trails in Skyline Ridge Open Space Preserve

  • The most popular gravel bike trail is White Oak Trail – Bella Vista Trail loop from Los Trancos Open Space Preserve, a 6.2 miles (10.0 km) trail that takes 1 hour 8 minutes to complete. This route offers diverse landscapes and panoramic views.
  • Another top favourite among local gravel bikers is Old La Honda Road – West Old La Honda Road loop from Portola Valley, a difficult 29.9 miles (48.1 km) path. This trail features challenging climbs and expansive ridge vistas.
  • Local gravel bikers also love the Black Mountain – Arastradero Lake loop from Portola Valley, a 29.9 miles (48.2 km) trail leading through varied terrain including oak woodlands and open grasslands, often completed in about 3 hours 58 minutes.
  • Gravel biking in Skyline Ridge Open Space Preserve is defined by ridge vistas, oak woodlands, and serene water bodies. The network offers options for different ability levels, from moderate to difficult.
  • The routes in Skyline Ridge Open Space Preserve are highly rated by the komoot community with an average score of 5.0 stars from a few reviews. More than 20 gravel bikers have used komoot to explore Skyline Ridge Open Space Preserve's varied terrain.

Last updated: June 29, 2026

5.0

(1)

5

riders

#1.

White Oak Trail – Bella Vista Trail loop from Los Trancos Open Space Preserve

9.96km

01:08

360m

360m

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

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Moderate

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

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

Hard

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

Moderate

Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy
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Tips from the Community

RalphGrundler
April 4, 2026, White Oak Trail

Make sure White Oak trail is open before you go.

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Nitram X2
March 16, 2025, Borel Hill

Borel Hill is my favorite place to watch spring flowers. The western slope near ancient oaks (5-10min west of Borel Hill) are covered with orange California Poppies and purple flowers starting in April. Borel Hill itself peaks around mid May and has a wide variety of flowers. The show lasts only a few weeks until end of May. The peak time and flower intensity varies from year to year, so come several times between April and May. There is small summit NW of Borel Hill and a narrow dirt trail leads you to a rock within 2 min. The rock is big enough for 2-3 to sit on. On a sunny day, the rock is nice warm even if the air is cold. Good views on the ocean and the Bay.

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Didn’t OLR used to turn into Dirt before reaching Skyline? Is it all pavement now?? Scott

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Here, the Steve's Creek Nature Trail and the Canyon Trail intersect. A lovely patch of grass surrounds the junction, making it an ideal spot for a break.

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Sue
December 31, 2024, Black Mountain

Black Mountain, situated on Monte Bello Ridge, is a popular destination for hikers and mountain bikers. With an elevation of 2,812 feet, it's easy to understand why. From the summit, the views of the Santa Cruz Mountains and Silicon Valley are breathtaking.

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Zachary
September 19, 2024, Boronda Lake

Boronda Lake features a couple scenic picnic areas with piers out over the water. A small arched bridge leads out to Sunfish Island from a trail on the side of the lake opposite the road. This is great place from which to enjoy beautiful Foothills Nature Preserve.

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Old La Honda Rd downhill video: https://youtu.be/icnBpBZQ8gE?si=xYovaH-Nr8llwLEM

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A small hike/bike-in campground with a vault toilet and (non-portable) water. You can oversee the lights of Bay Area at night and wake up above the cloud in the morning. You have to get a permit ($2) and the park rangers come and check the permit in the evening.

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Frequently Asked Questions

How many gravel bike trails are available in Skyline Ridge Open Space Preserve?

There are over 10 gravel bike routes in Skyline Ridge Open Space Preserve, catering to various skill levels. You'll find 1 easy route, 3 moderate routes, and 6 difficult routes, ensuring options for every rider.

What kind of terrain can I expect on gravel bike trails in Skyline Ridge Open Space Preserve?

The preserve offers a remarkably varied landscape, with trails featuring duff-covered, gravelly, or rocky surfaces. You'll ride through open grasslands, oak woodlands, and even areas with redwoods, all while enjoying expansive ridge vistas. This diverse terrain makes it ideal for gravel biking.

Are there any family-friendly gravel biking options in Skyline Ridge Open Space Preserve?

Yes, while many trails are moderate to difficult, the preserve offers accessible trails around natural features like Alpine Pond and Horseshoe Lake. These areas provide tranquil settings and easy-access trails suitable for leisurely rides, though specific gravel bike routes designed for families might be limited to these flatter sections.

What are some notable natural features or viewpoints along the gravel bike trails?

Skyline Ridge Open Space Preserve is rich with natural beauty. You can visit serene water bodies like Alpine Pond and Horseshoe Lake. For breathtaking views, head to Borel Hill, the highest point, offering panoramic vistas of the Santa Cruz Mountains, and on clear days, even the Pacific Ocean and San Francisco Bay. The Descent toward the coast on Alpine and Gene Sheehan Overlook are also excellent viewpoints.

What do other gravel bikers enjoy most about riding in Skyline Ridge Open Space Preserve?

The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the diverse landscapes, from ridge vistas to oak woodlands, and the challenging yet rewarding nature of the trails. The opportunity to connect with nature and enjoy the varied terrain is a common highlight.

Are there any loop routes for gravel biking in the preserve?

Yes, several routes offer a loop experience. For example, the White Oak Trail – Bella Vista Trail loop from Los Trancos Open Space Preserve is a popular choice, offering diverse landscapes and panoramic views. Another option is the Old La Honda Road – Portola Road loop from Portola Valley.

What is the best time of year to go gravel biking in Skyline Ridge Open Space Preserve?

Spring is particularly beautiful, with abundant wildflowers around Borel Hill. The varied terrain and ecosystems make it enjoyable year-round, but checking local weather conditions is always recommended. Clear days offer the best panoramic views from the ridge.

Is parking available at Skyline Ridge Open Space Preserve?

Yes, the preserve offers amenities such as free parking and accessible parking, making it convenient for visitors. You'll also find public restrooms and trail maps at the preserve.

What are the difficulty levels of the gravel bike trails?

The trails in Skyline Ridge Open Space Preserve range from moderate to difficult. There are 3 moderate routes and 6 difficult routes, with only 1 easy route primarily around the lakes. This variety ensures that both experienced riders seeking a challenge and those looking for a more relaxed ride can find suitable options.

Can I expect to see wildlife while gravel biking?

Skyline Ridge Open Space Preserve is a haven for wildlife. It's particularly known for migrating birds, especially around Horseshoe Lake. Keep an eye out for various species as you explore the diverse habitats of the preserve.

Are there any longer, more challenging gravel bike routes for experienced riders?

Absolutely. For experienced riders seeking a challenge, the Old La Honda Road – West Old La Honda Road loop from Portola Valley is a difficult 29.9-mile path featuring challenging climbs and expansive ridge vistas. Another demanding option is the White Oak Trail – Old Ranch Trail loop from Picchetti Ranch Open Space Preserve, which covers over 41 kilometers with significant elevation gain.

Are there any specific rules or regulations for biking in the preserve?

Bicycles are permitted on designated multi-use trails. There is a 15 mph speed limit, which reduces to 5 mph when passing others. Helmets are also required for all cyclists within the preserve.

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