5.0
(11)
162
riders
19
rides
Gravel biking in Almaden Quicksilver County Park offers a diverse trail network across 4,163 acres, encompassing Capitancillos Ridge. The terrain features varied landscapes, from steep grades and rolling grasslands to areas with abundant oak trees. Remnants of 19th-century mercury mining operations are present throughout the park, providing historical context to the routes. The park's elevation changes offer views of San Jose and the surrounding mountains.
Last updated: May 16, 2026
10
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
11
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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9
riders
38.0km
03:15
1,080m
1,080m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
43.9km
03:58
1,140m
1,140m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
8
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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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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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The Almaden Quicksilver Mining Museum is in the historic 1854 Casa Grande manor. The museum gives visitors a glimpse into the history of mercury (also known as quicksilver) mining and the role it played in the California Gold Rush. Visitors can explore exhibits of 19th-century mining photos, a mine tunnel diorama, and artifacts from mining families. The museum is open Friday through Sunday from 12:00 to 4:00 PM, with a suggested $2 donation for admission, and the museum grounds are open daily from 8:00 AM to sunset.
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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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A good little climb to get your legs warmed up. This trail does get busy though, especially on weekends, so be courteous to your fellow trail users.
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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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Almaden Quicksilver County Park offers over 20 gravel bike trails. While the park has over 37 miles of hiking trails, 16.6 miles are specifically designated for bikes, providing a diverse network for gravel biking enthusiasts.
The majority of gravel bike routes in Almaden Quicksilver County Park are considered difficult, with 19 out of 22 trails falling into this category. These routes often feature substantial elevation gains, some exceeding 3,000 feet, and combine paved and unpaved surfaces, including rocky and gravel singletracks. There are also 3 moderate routes available.
The gravel biking routes in Almaden Quicksilver County Park are predominantly challenging, with most classified as difficult due to significant elevation changes and varied terrain. While the park is generally family-friendly for hiking and picnicking, specific gravel bike trails suitable for beginners or young children are limited. It's best for families to assess individual routes carefully based on their experience and fitness levels.
You can expect diverse terrain ranging from steep grades and rolling grasslands to oak tree-lined paths. Trails often feature a mix of paved and unpaved surfaces, including sections with rocks and gravel singletracks. The park spans Capitancillos Ridge, offering varied landscapes and challenging ascents.
The park is rich in history from its mercury mining past. You can explore remnants of 19th-century mining operations, including old structures and sealed mine entrances. The New Almaden Quicksilver Mining Museum, located in the Casa Grande, offers insights into this history. You might also encounter sites like English Camp and the San Cristobal Mine.
Yes, the park offers picturesque views of San Jose and the surrounding mountains, especially from higher elevations. Trails like Mine Hill Trail provide vistas of Mount Umunhum. You can also find the Guadalupe Reservoir Vista and the Guadalupe Reservoir itself. Depending on the season, you might see wildflowers in spring or moss-draped oak trees in autumn.
The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the challenging yet rewarding routes, the diverse terrain, and the historical context provided by the old mining operations. The scenic views of San Jose and the surrounding mountains are also frequently highlighted.
Yes, Almaden Quicksilver County Park allows dogs on leash on its trails, making it a versatile outdoor destination for you and your canine companion. Please ensure your dog remains leashed and that you clean up after them.
Yes, many of the routes in Almaden Quicksilver County Park are designed as loops. For example, the challenging Mine Hill Trailhead – Mine Hill Trail loop is a popular option, as is the Lisa Killough Trail – Lisa Killough Trail Viewpoint loop.
The park offers different natural splendors depending on the season. Early spring is ideal for seeing wildflowers and lush green grasses. Autumn provides beautiful landscapes with oak trees. While the park can be enjoyed year-round, consider seasonal stream crossings after rains and be mindful of potential heat during summer months. Always check local weather conditions before heading out.
The park has several access points with parking. A common starting point for many gravel routes is the Mine Hill Trailhead. Other trailheads like Rancho San Vicente Entrance also offer parking facilities, providing convenient access to the trail network.
Yes, several routes provide views of Mount Umunhum, one of the Santa Cruz Mountains' tallest peaks. The Mine Hill Trailhead – Mount Umunhum Road loop from Almaden Valley is a notable option that leads through varied terrain with substantial elevation gains, offering expansive views.


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