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Gravel rides
United States
California
San Mateo County

Pulgas Ridge Open Space Preserve

The best gravel rides in Pulgas Ridge Open Space Preserve

5.0

(1)

27

riders

7

rides

Gravel biking in Pulgas Ridge Open Space Preserve's vicinity offers diverse terrain within the Santa Cruz Mountains. The region features a landscape of hills and canyons, with some higher elevation points providing views of the San Francisco Bay. The area is characterized by oak woodlands and mixed evergreen forests, providing varied natural environments for outdoor activities. While the preserve itself prohibits bicycles on its trails, the surrounding area provides numerous gravel biking opportunities.

Best gravel bike trails in Pulgas Ridge…

Last updated: May 16, 2026

3

riders

#1.

Kings Mountain Road – Crystal Springs Reservoir dam loop from Cañada College

46.7km

03:38

1,210m

1,210m

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

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Hard

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

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

Hard
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Tips from the Community

David B. Davis
August 31, 2025, Pulgas Water Temple

A fun, pretty place to stop while riding Cañada road. I has water and an air pump and bathrooms. Take a photo with friends.

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Once part of the Southern Pacific Railroad, this station is now served by local and limited-service Caltrain operations.

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Andrus
May 29, 2025, Miramar Beach

Miramar Beach offers a serene coastal escape with sandy shores and scenic vistas. Visitors can enjoy leisurely walks along the shoreline or explore the nearby California Coastal Trail, which provides stunning ocean views and connects to other local attractions.

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Lower Crystal Springs Reservoir is part of the Crystal Springs Reservoir system, and provides water to the San Francisco Bay Area. The area surrounding the reservoir is rich in biodiversity, home to rare and endangered species like the San Mateo thornmint and the Marin Dwarf Flax. While recreational activities on the water are restricted to protect the watershed, the adjacent Crystal Springs Regional Trail offers scenic views for hikers and cyclists.

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San Andreas Lake is a hidden gem tucked into the hills of San Mateo County, just south of San Francisco. Originally a natural sag pond formed by the San Andreas Fault, it was transformed into a reservoir in the late 1800s and now serves as a vital water source for the region. The lake is off-limits for swimming or boating, but you can enjoy its peaceful beauty from the San Andreas Trail or the popular Sawyer Camp Trail, which runs along its eastern edge. It's a serene spot where you can walk or bike with sweeping views of the water and surrounding hills, all while standing right on one of the world’s most famous fault lines. Despite its proximity to urban life, San Andreas Lake offers a quiet, scenic escape steeped in natural and historical significance.

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You're not hallucinating: This monument was deliberately built in the style of ancient Greek and Roman architecture, to commemorate the Great Depression-era Hetchy Hetchy Project that brought water down from the mountains to the Bay Area. The frieze says, “I give waters in the wilderness and rivers in the desert, to give drink to my people.”

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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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scenic bike ride along the san andreas reservoir

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Frequently Asked Questions

Can I ride my gravel bike inside Pulgas Ridge Open Space Preserve?

No, bicycles, including gravel bikes, are explicitly not permitted on the trails within Pulgas Ridge Open Space Preserve. The preserve is primarily for hiking and dog walking. However, the surrounding area offers numerous excellent gravel biking opportunities, which this guide focuses on.

What kind of terrain can I expect on gravel bike routes near Pulgas Ridge Open Space Preserve?

The gravel bike routes in the vicinity of Pulgas Ridge Open Space Preserve feature diverse terrain, including hills, cool canyons, and scenic ridge tops. You'll encounter oak woodlands and mixed evergreen forests, providing varied natural environments. Expect a mix of surfaces typical for gravel biking in the Santa Cruz Mountains.

Are there challenging gravel bike routes in this area?

Yes, the routes in this area are generally challenging. Most of the gravel bike tours listed are rated as 'difficult' and feature significant elevation gains. For example, the Kings Mountain Road – Crystal Springs Reservoir dam loop from Cañada College has over 1200 meters of elevation gain over 46.8 km.

What are some notable landmarks or points of interest I might see on these gravel bike routes?

While the preserve itself has historical elements like remnants of an old sanitarium, the gravel routes nearby offer different sights. For instance, the Pulgas Water Temple – Water Dog Lake loop from Huddart County Park explores areas near the Pulgas Water Temple and Water Dog Lake, offering scenic views and natural features.

How long do the gravel bike tours typically take?

The gravel bike tours in this area vary in length and duration. Shorter, challenging routes like the Pulgas Water Temple – Water Dog Lake loop from Huddart County Park can take around 2 hours 12 minutes for 35 km. Longer routes, such as the San Andreas Lake – Kings Mountain Road loop from Redwood City, can extend to over 100 km and take more than 8 hours to complete.

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

The region experiences a vibrant display of wildflowers from late winter to early spring, making it a beautiful time to visit. During the rainy winter, various mushrooms can also be found. Generally, spring and fall offer pleasant temperatures for gravel biking, while summer can be warm and winter might bring rain.

Are there any family-friendly gravel biking options in the area?

The gravel bike routes highlighted in this guide are generally rated as 'difficult' due to significant elevation gains and longer distances, making them less suitable for young children or beginners. Pulgas Ridge Open Space Preserve itself offers accessible paths for walking, but not for biking.

Where can I park when planning a gravel bike ride near Pulgas Ridge Open Space Preserve?

Parking availability will depend on your chosen starting point for the gravel bike route. Many routes begin from locations like Cañada College, Huddart County Park, or specific street intersections in nearby towns, which typically offer parking facilities. Always check the specific route details for recommended parking areas.

What do other gravel bikers enjoy about the routes near Pulgas Ridge Open Space Preserve?

The routes in this area are highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the varied terrain, the challenging nature of the rides, and the scenic views of the San Francisco Bay and surrounding hillsides that can be found at higher elevations.

Are there opportunities for wildlife spotting on these gravel bike trails?

While the preserve itself is known for deer and Dusky-footed Woodrats, the surrounding gravel bike routes traverse similar natural habitats. Keep an eye out for local wildlife, especially in quieter sections of the oak woodlands and mixed evergreen forests. Early mornings or late afternoons often provide the best chances for sightings.

Are there any loop trails for gravel biking?

Yes, many of the gravel bike routes in this area are designed as loops, offering a continuous ride back to your starting point. Examples include the Kings Mountain Road – Crystal Springs Reservoir dam loop from Cañada College and the Kings Mountain Road – Lower Kings Mountain Road loop from Alameda de las Pulgas & Roosevelt Avenue.

How many gravel bike routes are available in the vicinity of Pulgas Ridge Open Space Preserve?

There are over 10 gravel bike routes available in the vicinity of Pulgas Ridge Open Space Preserve, offering a range of challenging options for experienced riders.

Most popular routes in Pulgas Ridge Open Space Preserve

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