5.0
(2)
45
riders
2
rides
Gravel bike trails in Coyote Valley Open Space Preserve are located approximately 20 miles south of downtown San Jose, forming a greenbelt between San Jose and Morgan Hill. The preserve features well-maintained trails that traverse diverse landscapes including grasslands, woodlands with oaks and California bay trees, and rare serpentine rock outcroppings. Riders encounter varied terrain with elevation changes, leading to ridgetops that offer views of Mount Hamilton and Mount Umunhum. Seasonal creeks are present in winter, adding to the natural…
Last updated: July 11, 2026
5.0
(1)
7
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4
riders
73.0km
05:22
1,430m
1,430m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
48.3km
03:29
550m
550m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Bald Peak provides great views of Santa Clara Valley, the Diablo Range, and the Santa Cruz Mountains. Hikers and mountain bikers can access the peak via trails like Hidden Springs and Coyote Peak, which offer moderate to steep climbs. Early mornings or late afternoons are best for enjoying cooler temperatures in hot summer months. The trails are well-maintained and scenic.
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Located right by the parking area you can find some additional info before heading out on your ride.
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Nice gravel trail that winds its way through the park. Some sections follow long the water giving you some great views.
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This section has a relatively gentle slope and does not undergo significant incline changes. It presents mesmerizing surroundings abundant with wildflowers and wildlife.
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Quicksilver is a term used to refer to mercury. These lands, now transformed into an outdoor activity park, were once places where mercury mines were found.
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Calero County Park is a huge park covering over 4,400 acres and featuring a huge lake. Calero Reservoir is definitely the pinnacle of the park, but there are a number of trails and paths that offer different views and pass through different natural ecosystems. Being such a big park, there are a bunch of different trailheads and park entrances that you can utilize.
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Fossils of marine creatures like clams and oysters can be found in the sandstone of the peaks, hinting at a time when the area was submerged beneath the ocean. The hills around Bald Peaks are home to unique rock formations like chert and rhyolite, attracting hobbyists searching for colorful and interesting specimens.
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Great viewpoints open up at the northern end of Mine Hill Trail, the main, the longest trail through Almaden Quicksilver County Park. After descending and climbing to the very northern end one can connect to trails leading to the Sierra Azul State Park, which you see all along Mine Hill Trail, rising on the eastern flank of Almaden Quicksilver park.
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The preserve features well-maintained gravel surfaces, ranging from singletrack to wider paths. You'll traverse diverse landscapes including expansive grasslands, woodlands with oaks and California bay trees, and rare serpentine rock outcroppings. Expect varied terrain with elevation changes, leading to ridgetops.
The gravel bike trails in Coyote Valley Open Space Preserve are generally considered challenging, featuring significant elevation gain. For example, routes like Lisa Killough Trail – Calero Reservoir loop from Parkview involve over 600 meters of elevation gain, and the longer Coe Ranch Headquarters – China Hole Trail loop from Morgan Hill has over 1400 meters of climbing.
As you ride, you'll encounter stunning panoramic views of Mount Hamilton, Mount Umunhum, and the entire Coyote Valley from ridgetops. The trails also pass through diverse ecosystems, including areas with rare serpentine rock outcroppings, and seasonal creeks that come alive in winter. Spring brings vibrant wildflower displays across the meadows and hillsides.
Yes, the preserve features a paved parking lot for visitors. This makes it convenient to access the trails for your gravel biking adventure.
Spring is particularly beautiful due to the dazzling displays of wildflowers, including California poppies. Winter months can also be scenic with seasonal creeks flowing. While the preserve is open year-round, consider the weather, as summer can be hot and dry, and winter may bring wet conditions.
While the preserve's trails offer a great outdoor experience, many of the gravel biking routes feature significant elevation gain and are rated as difficult. Families with younger or less experienced riders might find these routes challenging. However, the well-maintained surfaces make them enjoyable for experienced family riders.
The region research does not explicitly state whether dogs are allowed on the gravel bike trails within Coyote Valley Open Space Preserve. It's advisable to check the official preserve rules or website for current pet policies before your visit.
The preserve itself is a significant landmark, acting as a crucial greenbelt. While riding, you'll encounter the 4-mile multi-use Arrowhead Loop Trail, which is a centerpiece of the preserve. The ridgetops offer expansive views of Mount Hamilton and Mount Umunhum, which are prominent natural landmarks in the region.
The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the ridgetop views, the diverse ecosystems encountered along the way, and the well-maintained gravel surfaces that make for an excellent riding experience. Over 40 gravel bikers have explored the preserve using komoot.
Yes, many of the gravel biking routes in Coyote Valley Open Space Preserve are designed as loops. Examples include the Lisa Killough Trail – Lisa Killough Trail Viewpoint loop from Rancho San Vicente Entrance and the Mine Hill Trailhead – Lisa Killough Trail loop from Almaden Quicksilver County Park, offering circular routes to explore the diverse terrain.
Coyote Valley Open Space Preserve is a critical wildlife linkage, making it a favored spot for wildlife viewing. You might spot various bird species like red-tailed hawks, golden eagles, and yellow-billed magpies. Larger mammals such as bobcats, mountain lions, and foxes also inhabit the preserve, though they are more elusive.
Yes, the preserve allows pedal-assist e-bikes, enhancing recreational opportunities for visitors. This makes the challenging terrain more accessible for a wider range of riders.


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