5.0
(2)
48
riders
2
rides
Gravel biking in Bear Creek Redwoods Open Space Preserve offers diverse landscapes characterized by extensive second-growth redwood groves and dense Douglas fir and oak woodlands. The terrain includes varied elevations, reaching up to 2,400 feet, with perennial creeks, meadows, and riparian corridors. While multi-use trail expansion is ongoing, the surrounding Santa Cruz Mountains provide challenging routes with a mix of dirt paths, gravel roads, and paved sections. These trails offer demanding climbs and expansive views of the Sierra Azul Range…
Last updated: July 7, 2026
2
riders
53.1km
04:30
1,280m
1,280m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
8
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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2
riders
25.2km
02:07
800m
800m
The Monte Sereno Overlook – El Sereno Open Space Preserve loop from Saratoga is a demanding gravel biking adventure through the Santa Cruz Mountains. This 15.7-mile (25.2 km) route features…
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Popular around Bear Creek Redwoods Open Space Preserve
This is not a very exciting trail to hike. It’s pretty much a trail surrounded by thick walls of vegetation, with almost no opportunity to view your surroundings. The trail is 70% rocks/gravel, and 30% hard packed clay, so avoid wearing snickers
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The trail is gravel but well paved. The view is partially blocked by trees but still pretty.
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Shannon Road starts with a gentle climb from Los Gatos Creek to Blossom Hill Park, then transitions into a steeper ascent as it leads into a rural area. The summit below Blossom Hill offers a rewarding challenge and connects to other routes in the area.
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Three of the most popular area trails come together here; depending on how ambitious you are, you might return to this juncture several times as you crank through the forested hills.
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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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The Kennedy Road Sierra Azul Trailhead has a small parking area that fits about three cars, depending on size, and offers a shaded starting point. A portable toilet is available at the trailhead, and additional parking can be found at the top of Top of the Hill Road.
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For mountain bikers, this trail winds through a hillside dotted with abundant wildflowers. Enjoy stunning vistas of the South Bay area as you ride. It's recommended to begin your ride in the morning and dress in layers to accommodate temperature variations between shaded and sunny spots along the route.
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El Sereno Preserve is named after the Mount El Sereno sitting at an elevation of 2,500 feet. This area gives rewarding views of the cities of Saratoga and the western area of Los Gatos. Spanning 1,614 acres, the preserve features seven miles of wide, gradual trails open for various activities such as hiking, biking, dog walking, and designated horseback riding.
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While Bear Creek Redwoods Open Space Preserve is actively developing its multi-use trail system, with anticipated openings by 2027, bicycle use has historically been restricted in certain areas. Currently, the trails highlighted in this guide are located near the preserve and offer excellent no-traffic gravel biking experiences.
The gravel bike trails in this area, such as the Lexington Reservoir – Los Gatos Creek Trail loop, offer a demanding experience with a mix of dirt paths, gravel roads, and some paved sections. You'll encounter varied terrain, including challenging climbs and rewarding descents, often through redwood groves and oak woodlands.
Yes, the routes featured in this guide are generally considered difficult. For example, the Blossom Hill - Shannon Road – Mine Hill Trailhead loop covers over 53 km with more than 1200 meters of elevation gain, providing a significant challenge for experienced gravel bikers.
Many routes offer breathtaking panoramic views of the Sierra Azul Range, Santa Clara Valley, and even Monterey Bay from higher elevations. You'll also ride through extensive second-growth redwood groves, some towering over 200 feet, and dense Douglas fir and oak woodlands. Keep an eye out for perennial creeks and diverse wildlife.
While the routes focus on natural beauty, the broader region has historical significance. The preserve itself contains remains of old mining sites and the former location of the first Jesuit seminary on the west coast. The Alma Cultural Landscape near the main parking area also offers interpretive information about past logging operations.
The Santa Cruz Mountains offer good biking conditions for much of the year. Spring and fall generally provide pleasant temperatures and vibrant scenery. Summers can be warm, especially at lower elevations, while winters can bring rain, making some dirt paths muddy. Always check local weather conditions before heading out.
The routes listed in this guide are rated as 'difficult' due to their distance and elevation gain, making them more suitable for experienced adult riders. For easier, family-friendly options, consider exploring the ADA-compliant Upper Lake Loop Trail within the main preserve for a walk, or look for other designated multi-use paths in nearby areas that are less challenging.
Dog policies vary across different open space preserves and specific trails. It's crucial to check the regulations for each specific trail or preserve you plan to visit. Generally, dogs must be on a leash, and some areas may restrict dog access entirely to protect wildlife.
Parking availability depends on the specific trailhead. For routes like the Monte Sereno Overlook – El Sereno Open Space Preserve loop, you would typically look for designated parking areas near the starting point in Saratoga or other access points for the El Sereno Open Space Preserve. Always check the route details on komoot for specific parking recommendations.
The komoot community highly rates the experiences in this area, with an average score of 5.0 stars. Reviewers often praise the challenging climbs, the stunning panoramic views from higher elevations, and the immersive experience of riding through quiet redwood and oak forests away from traffic.
While the trails themselves are remote and traffic-free, you can find amenities, cafes, and restaurants in nearby towns such as Los Gatos and Saratoga. It's advisable to stock up on water and snacks before starting your ride, as services are not available directly on the trails.


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