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Santa Clara County

Almaden Quicksilver County Park

The best MTB trails in Almaden Quicksilver County Park

4.5

(190)

1,867

riders

64

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.

Best mountain bike trails in Almaden Quicksilver County Park

  • The most popular mountain bike trail is Mount Umunhum Loop, a 13.8 miles (22.3 km) trail that takes 2 hours 22 minutes to complete. This moderate route offers panoramic views from Mount Umunhum.
  • Another top favourite among local mountain bikers is Mount Umunhum – Mount Umunhum loop from Almaden Quicksilver County Park, a difficult 20.0 miles (32.3 km) path. This challenging route features sustained climbs through forested slopes.
  • Local mountain bikers also love the Mine Hill Trailhead – Castillero Trail loop from New Almaden, a 6.0 miles (9.6 km) trail leading through historic mining areas and scenic overlooks, often completed in about 1 hour 8 minutes.
  • Mountain biking in Almaden Quicksilver County Park is defined by rolling hills, historic mining landscapes, and varied elevations. The network offers options for different ability levels, from moderate to difficult.
  • The routes in Almaden Quicksilver County Park are highly rated by the komoot community with an average score of 4.6 stars from over 230 reviews. More than 2300 mountain bikers have used komoot to explore Almaden Quicksilver County Park's varied terrain.

Last updated: July 7, 2026

4.7

(3)

25

riders

#1.

Mount Umunhum Loop

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.

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Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Popular around Almaden Quicksilver County Park

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Tips from the Community

Alex
January 9, 2025, Bald Peaks Viewpoint

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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Sue
December 7, 2024, English Camp

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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Alex
February 22, 2024, Woods Trail

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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Alex
February 22, 2024, Woods Trail Trailhead

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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Tyler Sanders
February 22, 2024, Mine Hill Trail

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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Frequently Asked Questions

How many mountain bike trails are available in Almaden Quicksilver County Park?

There are over 60 mountain bike trails in Almaden Quicksilver County Park, offering a wide range of options for different skill levels and preferences.

Are there mountain bike trails suitable for beginners in Almaden Quicksilver County Park?

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.

What kind of terrain can I expect on mountain bike trails in Almaden Quicksilver County Park?

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.

Are there any challenging mountain bike trails for experienced riders?

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.

What are some popular loop routes for mountain biking in Almaden Quicksilver County Park?

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.

What are the best viewpoints along the mountain bike trails?

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.

What historical sites or attractions can I see while mountain biking in the park?

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.

What do other mountain bikers enjoy most about Almaden Quicksilver County Park?

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.

Is Almaden Quicksilver County Park suitable for family mountain biking?

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.

What is the best season for mountain biking in Almaden Quicksilver County Park?

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.

Are there specific trailheads or parking areas for mountain bikers?

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.

Can I spot wildlife while mountain biking in Almaden Quicksilver County Park?

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.

Are there any other notable trails in the park besides the most popular ones?

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.

Most popular routes in Almaden Quicksilver County Park

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Most popular attractions in Almaden Quicksilver County Park

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