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Santa Clara County

El Sereno Open Space Preserve

The best traffic-free bike rides in El Sereno Open Space Preserve

4.6

(65)

1,511

riders

26

rides

No traffic touring cycling routes in El Sereno Open Space Preserve are situated within the Santa Cruz Mountains, offering a diverse landscape for cyclists. The preserve spans 1,614 acres, rising from foothills to the ridgeline of Mount El Sereno, which reaches approximately 2,500 feet. The terrain features exposed chaparral communities, meadows at higher elevations, and shaded areas near creeks, providing varied conditions for cycling. Panoramic views of Silicon Valley, Lexington Reservoir, and the Monterey peninsula are visible from elevated points.

Last updated: July 10, 2026

52

riders

#1.

Vasona Lake – Mount Umunhum loop from Oak Meadow

55.3km

04:10

1,270m

1,270m

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

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Hard

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

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

Hard

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

Moderate

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

Moderate
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Popular around El Sereno Open Space Preserve

Bay Area Ridge Trail — Hiking the backbone of The Bay

Traffic-free bike rides in El Sereno Open Space Preserve

Traffic-free bike rides in El Sereno Open Space Preserve

Other adventures in El Sereno Open Space Preserve

Bay Area Ridge Trail — Hiking the backbone of The Bay

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Andrus

Tips from the Community

Clive Alexander-Clarke
September 6, 2025, Mount Umunhum

If you make the summit a fantastic view awaits. Be aware the road goes down then up to the road about then up again to the summit!…

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This non-profit organization was founded in 1968 in an effort to preserve the history of the steam locomotive and commemorate the life of Billy Jones.

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Lisa
June 29, 2025, Mount Umunhum

Still one of the highest points in the Santa Cruz Mountains, even though the military graded and flattened the actual summit to create an Air Force base. The summit was cleaned of hazardous material in 2009, then carefully restored after a lot of community input. It's a lovely place to visit now!

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Alex
January 25, 2025, Vasona Lake

Vasona Reservoir, located on Los Gatos Creek, is surrounded by the 152-acre Vasona Lake County Park. Built in 1935 as one of six original reservoirs approved by voters in 1934. Vasona Reservoir holds 495 acre-feet of water and spans 57 acres. The park offers picnicking, catch-and-release fishing, and human-powered boating. Swimming is not permitted. It's a great spot for photography and sunrises.

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Climbing Mount Umunhum is a tough but rewarding challenge. The road is steep, with sections reaching up to 18% grades, so pace yourself. The views from the top are spectacular, making the hard work worth it. Start early to avoid traffic and the heat, and be prepared for a long, demanding ascent.

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An excellent spot to take a break and enjoy the full breath of Lexington Reservoir. There is a Plaque dedicated to deputy Douglas B. Miller, who was fatally wounded while performing his duties.

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Alex
January 10, 2025, Forbes Mill Museum

Forbes Mill Museum, housed in a two-story building of the original 1854 flour mill, offers a glimpse into Los Gatos' history. Built by James Alexander Forbes as California's first commercial flour mill, over the years, it served various roles, including a power plant and a PG&E substation. Saved from demolition in 1982, the building now features historical exhibits as part of New Museum Los Gatos.

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Zachary
September 19, 2024, James J. Lenihan Dam

From the top of the dam you get splendid views out across Lexington Reservoir. To the north you overlook the winding end of the Los Gatos Creek Trail, which connects to the Jones Trail across from the restroom just up the road. The dam itself was constructed in 1952 and stands at nearly 200 feet tall.

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Frequently Asked Questions

How many no traffic touring cycling routes are available in El Sereno Open Space Preserve?

There are over 30 dedicated no traffic touring cycling routes in El Sereno Open Space Preserve. These routes offer a variety of experiences, from easier rides to more challenging ascents.

What is the best time of year for touring cycling in El Sereno Open Space Preserve?

The preserve is enjoyable year-round, but spring offers particularly vibrant wildflowers and generally milder temperatures. Fall also provides pleasant conditions. Summers can be warm and exposed, especially on higher trails, so early mornings are recommended. Winters are typically mild, though trails can be muddy after rain.

What are the typical difficulty levels for touring cycling routes here?

The routes in El Sereno Open Space Preserve cater to various skill levels. You'll find 3 easy routes, 15 moderate routes, and 15 difficult routes. The terrain often includes steep climbs and unpaved sections, providing a robust workout for cyclists.

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

Yes, there are several circular touring cycling routes. For example, the Lake Ranch Reservoir – Lake Ranch Reservoir loop from El Sereno is an easy, shorter option. For a more challenging loop, consider the James J. Lenihan Dam – Lexington Reservoir loop from Los Gatos.

What kind of terrain can I expect on these no traffic touring cycling routes?

Expect diverse terrain, ranging from wide, relatively smooth fire roads like the Aquinas Trail to unpaved sections and steep climbs. The landscape transitions from shaded oak and bay woodlands at lower elevations to exposed chaparral as you ascend towards the ridgeline of Mount El Sereno.

What scenic views can I expect along the touring cycling routes?

Many trails offer spectacular panoramic views. From elevated points, you can see Silicon Valley, the city of Los Gatos, Lexington Reservoir, and even the Monterey peninsula on clear days. Key viewpoints include Vista Point (Overlook Trail) and View of the South Bay from El Sereno Open Space Preserve.

Are there any specific points of interest or landmarks to look out for?

Beyond the stunning vistas, you can explore the Aquinas Trail, known for its wide fire road. The preserve also showcases diverse plant life, including various chaparral species and vibrant wildflowers in spring. The geological features, with the San Andreas Fault nearby, add another layer of interest.

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

The area is highly rated by the komoot community, with an average score of 4.6 stars from 83 ratings. Reviewers often praise the challenging climbs, the rewarding panoramic views of Silicon Valley and Lexington Reservoir, and the sense of escape offered by the traffic-free trails.

Are the no traffic touring cycling routes suitable for families?

While many routes feature steep climbs, there are easier options that might be suitable for families with older, experienced children. The Lake Ranch Reservoir – Lake Ranch Reservoir loop from El Sereno is an easy route with less elevation gain, which could be a good starting point for families.

Can I bring my dog on these touring cycling routes?

El Sereno Open Space Preserve is generally dog-friendly, but specific trail regulations may apply. It's always best to check the official preserve guidelines regarding dogs on trails before your visit. Dogs are typically required to be on a leash.

Where can I park when visiting El Sereno Open Space Preserve for touring cycling?

Parking is available at designated trailheads around the preserve. Popular access points often have parking lots, but spaces can fill up quickly, especially on weekends. It's advisable to arrive early or consider alternative transportation if available.

Are there any beginner-friendly no traffic touring cycling routes?

Yes, there are a few beginner-friendly options. The Lake Ranch Reservoir – Lake Ranch Reservoir loop from El Sereno is classified as easy, with a modest elevation gain, making it a good choice for those new to touring cycling in the preserve.

What should I wear or bring for touring cycling in El Sereno Open Space Preserve?

Given the varied terrain and potential for exposure, layers are recommended. Bring plenty of water, as shaded areas are limited on higher trails. Sunscreen, a hat, and sturdy cycling shoes are essential. A helmet is always advised. For unpaved sections, a touring bike capable of handling gravel or wider tires will enhance your experience.

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