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Gravel rides
United States
California
San Mateo County

San Mateo

The best gravel rides around San Mateo

5.0

(1)

22

riders

3

rides

Gravel biking around San Mateo offers diverse terrain, from scenic reservoirs to coastal paths and redwood forests. The region is characterized by the Santa Cruz Mountains, providing varied elevation and challenging climbs, alongside the picturesque Crystal Springs Reservoir. San Mateo County also features nearly 60 miles of Pacific coastline, with trails offering ocean views and potential gravel sections. These natural features create a varied landscape suitable for gravel cycling.

Best gravel bike trails around San Mateo

  • The most popular gravel…

Last updated: April 23, 2026

7

riders

#1.

San Andreas Lake – Kings Mountain Road loop from Hillsdale

119km

07:58

1,760m

1,760m

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

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

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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

How many gravel bike trails are available in San Mateo?

San Mateo offers a good selection of gravel biking routes, with over 9 trails documented on komoot. These routes cater to various skill levels, though many feature significant climbs.

What kind of terrain can I expect on gravel bike trails in San Mateo?

Gravel biking in San Mateo features diverse terrain, from the scenic paths around the Crystal Springs Reservoir to coastal sections and redwood forests. You'll encounter varied elevation, particularly in the Santa Cruz Mountains, which provide challenging climbs and descents. Some trails might be predominantly paved with gravel sections, while others delve into more rugged dirt roads and forest paths.

What is the best time of year for gravel biking in San Mateo?

The San Mateo area generally offers good gravel biking conditions year-round, thanks to its mild climate. However, spring and fall often provide the most pleasant temperatures and clear skies. During summer, coastal routes can offer cooler temperatures, while redwood forest trails provide shade. Be mindful of potential wet weather conditions in winter, which can make some gravel sections muddy.

Are there any challenging gravel routes in San Mateo for experienced riders?

Yes, San Mateo is known for its challenging gravel routes, many of which feature significant elevation gain through mountainous terrain. For example, the San Andreas Lake – Kings Mountain Road loop from Redwood City is a demanding 65-mile trail with over 1,800 meters of ascent. Another difficult option is the Gravel loop from Receiving station, which offers a challenging ride with over 500 meters of ascent in a shorter distance.

Can I find any loop trails for gravel biking in San Mateo?

Yes, many gravel routes in San Mateo are designed as loops, allowing you to start and finish at the same point. A popular example is the San Andreas Lake – Kings Mountain Road loop from Hillsdale, which takes you through the Santa Cruz Mountains. Another option is the Kings Mountain Road – Lower Kings Mountain Road loop from Alameda de las Pulgas & Roosevelt Avenue.

What natural features or landmarks can I see along the gravel bike trails in San Mateo?

Many gravel routes in San Mateo offer stunning natural features and landmarks. You can ride alongside the picturesque San Andreas Lake and Lower Crystal Springs Reservoir, which are sag ponds formed by the San Andreas Fault. Trails also pass through areas like Edgewood Park and Natural Preserve, offering diverse ecosystems from woodlands to grasslands. You might also encounter the historic Pulgas Water Temple.

Are there any scenic viewpoints on the gravel routes in San Mateo?

Absolutely. The varied terrain of San Mateo provides numerous scenic viewpoints. Trails along the Crystal Springs Reservoir offer beautiful lake views, while coastal paths provide sweeping vistas of the Pacific Ocean. In the Santa Cruz Mountains, areas like Skyline Ridge and specific points such as Amazing Sunset Viewpoint can offer expansive views of the surrounding landscapes, including the San Francisco Bay and the San Andreas Gulf Zone.

What do other gravel bikers enjoy most about the trails in San Mateo?

The gravel biking routes in San Mateo are highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the diverse terrain, from scenic reservoirs and redwood forests to coastal paths, and the challenging climbs that offer rewarding views. The variety of landscapes and the well-maintained trails are frequently highlighted as key attractions.

Are there any family-friendly gravel biking options in San Mateo?

While many of San Mateo's gravel routes feature significant climbs and can be quite challenging, some sections of trails, particularly around the Crystal Springs Regional Trail, offer more accessible and flatter options. The paved portions of the Crystal Springs trail are excellent for families, and some connecting dirt roads might be suitable for older children or those with more biking experience. Always check the specific route details for elevation and surface conditions to ensure it matches your family's ability.

Is public transport accessible for reaching gravel biking trails in San Mateo?

Public transport access to gravel trails in San Mateo can vary. While some areas are reachable by local bus services or Caltrain, direct access to trailheads, especially in more remote mountain or forest preserves, might be limited. It's advisable to research specific bus routes or Caltrain stations that connect to areas like the Crystal Springs Regional Trail or other urban-adjacent parks. For routes deeper in the Santa Cruz Mountains, driving to a trailhead with parking is often more practical.

Where can I find parking for gravel bike trails in San Mateo?

Parking availability for gravel bike trails in San Mateo varies by location. Popular trailheads, especially around the Crystal Springs Regional Trail, often have designated parking lots. For routes venturing into open space preserves like Purisima Creek Redwoods or Huddart Park, you'll typically find parking at the park entrances. Always check specific route details or park websites for information on parking facilities and any potential fees.

Are there any cafes or coffee shops near the gravel trails in San Mateo?

Yes, depending on the specific trail, you can find cafes and coffee shops in nearby towns or along more urban-adjacent routes. For instance, trails closer to Redwood City or Half Moon Bay will have more options for refreshments. The Crystal Springs Regional Trail, while scenic, is more secluded, so you might need to venture slightly off-trail into nearby communities for a coffee break. It's a good idea to plan your route and check for amenities in advance.

Are permits required for gravel cycling on any trails in San Mateo?

Generally, permits are not required for gravel cycling on most public trails in San Mateo County's open space preserves or regional parks. However, it's always a good practice to check the specific regulations of the park or preserve you plan to visit, as rules can change or vary for certain areas or activities. Some private lands or specific conservation areas might have different access policies.

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