4.6
(198)
1,986
riders
71
rides
Mountain biking in Almaden Quicksilver County Park is characterized by its varied terrain, including rolling hills, former mining landscapes, and forested trails. The park features significant elevation changes, with routes ascending to prominent viewpoints. This area offers a diverse environment for mountain bikers, ranging from moderate climbs to more challenging ascents.
Last updated: August 17, 2026
4.7
(3)
25
riders
22.3km
02:22
680m
680m
This 13.8-mile moderate mountain biking loop in Sierra Azul Open Space Preserve offers challenging climbs and panoramic summit views.
5.0
(11)
69
riders
23.4km
02:31
690m
690m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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14
riders
28.3km
02:32
980m
980m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
7
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
6
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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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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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 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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When the cinnabar (mercury ore) mines at Quicksilver Park were active in the late 19th and early 20th centuries, English Camp housed around 1,000 residents, primarily consisting of Cornish miners and their families. Today, only a few remnants of structures remain. There are some lovely picnic tables here, making it an ideal spot to stop for lunch and take some memorable photos.
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At the summit of Mt Umunhum is an 8 story tower that was used as a radar outpost by the US Air Force until 1980. In addition to this piece of military history you'll also find stunning views in all directions. On clear days you can see as far as San Francisco and Monterey.
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This stretch of double track fire road is more challenging than it might appear. For starters there are plenty of tight turns to keep an eye out for, plus at least one prolonged section with a 20% grade. It pairs nicely with the Woods Trail.
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A fast and fun trail that predominantly runs through the trees. It can be ridden in both directions and is not overly technical.
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This marks the beginning of the Woods Trail, that heads west into Sierra Azul hills. A couple of long MTB loops can be started from here.
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There are over 60 mountain bike trails in Almaden Quicksilver County Park, offering a wide range of options for different skill levels and preferences.
Yes, the park offers 13 easy mountain bike trails. While the park is known for its varied terrain and elevation changes, these routes provide a gentler introduction to mountain biking in the area.
Mountain biking in Almaden Quicksilver County Park features varied terrain, including rolling hills, former mining landscapes, and forested trails. You can expect significant elevation changes, with routes ascending to prominent viewpoints and offering diverse environments from moderate climbs to challenging ascents.
Absolutely. The park has 14 difficult mountain bike trails for experienced riders. One challenging option is the Mount Umunhum – Mount Umunhum loop from Almaden Quicksilver County Park, a 20-mile path featuring sustained climbs through forested slopes.
Many riders enjoy loop routes for a comprehensive experience. A popular moderate option is the Mount Umunhum Loop, which is 13.8 miles long and offers panoramic views. Another great choice is the Mine Hill Trailhead – Castillero Trail loop from New Almaden, a 6-mile route through historic mining areas.
Many trails offer stunning views. The Mount Umunhum Loop is known for its panoramic vistas from Mount Umunhum. You can also find excellent views at the Guadalupe Reservoir Vista, which is accessible from several trails.
Almaden Quicksilver County Park is rich in history from its mining past. You can explore areas like the New Almaden Quicksilver Mining Museum, or ride through historic mining areas on routes like the Mine Hill Trailhead – Castillero Trail loop from New Almaden. The Senador Mine Trail also offers insights into the park's heritage.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 230 reviews. Riders often praise the park's diverse terrain, the challenging climbs, and the rewarding panoramic views from its peaks, as well as the historical elements found along the trails.
While many trails involve significant elevation, there are easier routes that families can enjoy. It's best to check the difficulty ratings and distances of individual trails to find one that suits your family's experience level. The 13 easy trails are a good starting point.
The park is generally accessible year-round, but spring and fall offer the most pleasant conditions with milder temperatures and lush scenery. Summers can be hot, so early morning rides are recommended, while winters can bring rain, potentially making some trails muddy.
Yes, the park has several designated trailheads with parking. The Mine Hill Trailhead is a popular starting point, as is the Hacienda Entrance. Always check park signage for specific parking regulations and access points.
Yes, the park is home to diverse wildlife. You might encounter deer, bobcats, coyotes, and various bird species. Early mornings or late afternoons are often the best times for wildlife viewing. Remember to maintain a respectful distance and stay on designated trails.
Beyond the most popular routes, you can explore trails like the Mine Hill Trailhead – Lower Mount Umunhum Road loop from Hacienda Entrance, a moderate 14.2-mile ride. Another option is the Castillero Trail – Woods Trail Trailhead loop from Almaden Quicksilver County Park, which covers 15.8 miles.


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