4.5
(115)
662
riders
41
rides
Mountain biking in St. Joseph'S Hill Open Space Preserve offers diverse terrain with sun-exposed grasslands, chaparral, and oak woodlands. The preserve features trails that wind through these varied habitats, including areas with historic vineyard remnants and distinctive serpentine rock outcroppings. From the 1,250-foot summit of St. Joseph's Hill, riders can experience panoramic views of the Santa Clara Valley and Lexington Reservoir. The area is known for its steep climbs, providing a challenging workout for mountain bikers.
Last updated: July 2, 2026
5.0
(1)
33
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
28
riders
24.3km
02:23
720m
720m
The Kennedy Trail – Kennedy Road loop from Oak Meadow offers a classic South Bay mountain biking challenge, known for its relentless climbs and rewarding vistas. You'll navigate wide fire…

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5.0
(1)
22
riders
28.3km
02:44
860m
860m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(2)
16
riders
43.4km
03:50
1,020m
1,020m
The Los Gatos Creek Trail – Summit of Sanborn County Park loop from Oak Meadow offers a challenging mountain biking experience, taking you from creek-side paths to the forested heights…
5.0
(10)
16
riders
54.4km
04:23
1,370m
1,360m
The Mount Umunhum – Mount Umunhum loop from Oak Meadow offers a challenging mountain biking experience, taking you through diverse terrain to one of the South Bay's most iconic summits.…
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Popular around St. Joseph'S Hill 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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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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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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From here, you get a great view of the forest and valley, with the Santa Clara Mountains in the background. It’s a nice spot to stop for a picnic and take in the scenery. The trail continues upward, but this spot is perfect if you’re just looking for a good viewpoint.
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The Mount Umunhum Trailhead offers some amenities, including bathrooms at both the start and summit. With parking available for about 20 cars, this trail provides great views and is a great spot for sunsets. Aim to hike early in the morning or in the evening as it can get very hot in the summer.
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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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If you like hairpin switchbacks, this is the grueling climb (or adrenaline-pumping downhill) for you! You can bike almost all the way to the peak. The very last .2-mile of the trail is closed to bikes, but at that point you can switch to the road, instead, and use that to read the summit.
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The preserve offers a diverse landscape, including sun-exposed grasslands, chaparral, and oak woodlands. You'll find trails winding through these varied habitats, with some sections featuring historic vineyard remnants and distinctive serpentine rock outcroppings. Be prepared for challenging steep climbs, which are a hallmark of the area, alongside more moderate grades.
Yes, there are options for various skill levels. While many trails feature challenging climbs, the preserve also offers easier routes. For example, the Camden Ponds – Vasona Reservoir loop from Los Gatos is rated as easy and covers 7.8 miles (12.5 km) with minimal elevation gain, making it a good choice for those looking for a less strenuous ride.
St. Joseph's Hill is renowned for its panoramic views. From the 1,250-foot Saint Josephs Hill summit, you can enjoy expansive vistas of the Santa Clara Valley, Lexington Reservoir, and the Sierra Azul Preserve. Along trails like the Jones Trail, you'll also find picturesque views of Lexington Reservoir and the forested slopes of the Santa Cruz Mountains. Don't miss the distinctive greenish hue of the serpentine rock outcroppings on parts of the Manzanita Trail.
There are over 40 mountain bike trails available in St. Joseph's Hill Open Space Preserve. These include 7 easy, 20 moderate, and 17 difficult routes, offering a wide range of options for different skill levels and preferences.
The trails in St. Joseph's Hill Open Space Preserve are highly rated by the komoot community, with an average score of 4.4 stars from over 80 reviews. Riders often praise the challenging climbs, the diverse terrain, and the stunning panoramic views from the summit and along various trails. The ability to connect to other nearby trails like the Los Gatos Creek Trail for longer loops is also a popular feature.
Yes, for those seeking a longer and more challenging ride, the Los Gatos Creek Trail – Summit of Sanborn County Park loop from Oak Meadow is a difficult 27.1 miles (43.7 km) route with over 1000 meters of elevation gain. Another popular moderate option is the Los Gatos Creek Trail – Camden Ponds loop from Lexington Reservoir County Park, which covers 23.8 miles (38.3 km) with varied scenery.
The preserve features a mix of sun-exposed grasslands, chaparral, and oak woodlands. While specific wet season conditions can vary, trails can become muddy and slippery after rain, especially on steeper sections. It's always advisable to check local trail conditions before heading out, as some areas may be more prone to erosion or closures during heavy rainfall.
Yes, parking is generally available at trailheads and access points around the preserve. Many routes, such as those starting from Lexington Reservoir County Park or Oak Meadow, offer convenient parking options for visitors. It's recommended to arrive early, especially on weekends, as parking lots can fill up quickly.
While the preserve offers a quick escape from the urban environment, direct public transport access to all trailheads might be limited. It's best to check local public transportation schedules and routes to see if there are bus stops or transit options that connect close to the main access points or nearby towns like Los Gatos.
Regulations regarding dogs can vary within open space preserves. It's important to check the specific rules for St. Joseph's Hill Open Space Preserve, as some areas may require dogs to be on a leash, while others might have restrictions or designated off-leash areas. Always be respectful of wildlife and other trail users.
The preserve can be enjoyed year-round, but the best times are typically spring and fall when temperatures are milder. Summers can be hot, especially on sun-exposed sections, so early morning rides are recommended. Winters can bring rain, affecting trail conditions, but clear days offer crisp air and excellent visibility. Visiting on weekdays can also help avoid crowds.
Yes, the preserve offers excellent connectivity. The Jones Trail, for instance, is a popular doubletrack that links St. Joseph's Hill to Novitiate Park and Lexington Reservoir County Park. This allows for longer loop rides, often combined with sections of the Los Gatos Creek Trail, extending your mountain biking adventure beyond the preserve's boundaries.


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