4.7
(125)
3,996
riders
102
rides
Road cycling in Almaden Quicksilver County Park features varied terrain, including significant elevation changes and routes connecting to nearby county parks and reservoirs. The park encompasses steep hillsides, forests, open meadows, and deep valleys, providing diverse landscapes for cyclists. The region is characterized by its hilly landscape, offering challenging climbs and descents, along with views of the Santa Clara Valley and Mt. Umunhum. Road cyclists can expect routes that traverse through areas with scenic reservoirs and historical mining relics.
Last updated: July 15, 2026
4.0
(1)
42
riders
28.7km
02:05
980m
980m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
15
riders
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.

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20
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
3.8
(4)
83
riders
63.9km
02:53
630m
630m
The Calero County Park to Uvas Canyon County Park loop offers a dynamic road cycling experience through the eastern foothills of the Santa Cruz Mountains. You'll traverse rolling grasslands, California…
12
riders
88.7km
03:56
700m
700m
The Calero County Park to Uvas Reservoir loop offers a dynamic road cycling experience through the heart of Santa Clara County, showcasing diverse landscapes from California Oak woodlands to rolling…
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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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Metcalf Road is a steep but rewarding climb, popular among road cyclists. The route features challenging gradients, especially in the final stretch, and offers charming views of rolling hills to enjoy as you ascend.
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Here, you can buy fresh fruit, including prunes, pears, apricots, and cherries, depending on the season.
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Here is the entrance to Uvas Canyon County Park. The park has several small falls surrounded by forest, walking less than a mile in, you’ll find a waterfall. Here you can find water fountains, restrooms and a campground. This is the perfect place to end or start your ride.
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San Felipe Road is a well-maintained and popular biking route. This section features a challenging incline that leads to a hill with unique views, making it an ideal spot to stop, rest your legs, and take in the scenery.
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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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Road cycling in Almaden Quicksilver County Park offers a range of difficulties, from moderate to difficult, characterized by significant elevation changes. You'll find routes like the Mount Umunhum Road – Mount Umunhum loop from Almaden Reservoir which is considered difficult due to substantial elevation gain, alongside moderate options.
The park's road cycling routes feature varied terrain, including a hilly landscape with challenging climbs and descents. You can expect routes that traverse through areas with views of the surrounding natural environment and water bodies, connecting to nearby county parks and reservoirs.
While many routes feature significant elevation changes, there are options for different ability levels. The park offers 39 easy and 50 moderate routes out of a total of 110 road cycling tours, providing choices for those looking for less strenuous rides.
Along the road cycling routes, you can encounter several interesting features. The area is known for its scenic reservoirs, such as Guadalupe Reservoir, and offers connections to adjacent parklands. You might also pass by historical sites like the New Almaden Quicksilver Mining Museum.
Yes, many routes offer scenic views. A notable viewpoint is the Guadalupe Reservoir Vista within Quicksilver Mine County Park, providing picturesque outlooks over the water and surrounding landscape.
Specific parking information for road cycling trailheads can vary. Many routes, such as the Blossom Hill - Shannon Road loop, often start from accessible points like Castillero Middle School, which may offer parking. It's advisable to check the starting point details of your chosen route for precise parking options.
The park is generally accessible year-round, but spring and fall often offer the most pleasant temperatures for road cycling. Summers can be warm, and winters mild, so checking local weather forecasts before your ride is always recommended.
The area is highly rated by the komoot community, with an average score of 4.7 stars from over 160 reviews. Cyclists often praise the varied terrain, the challenging climbs, and the scenic views of reservoirs and natural environments. The network offers options for different ability levels, which is also appreciated.
Yes, several routes connect Almaden Quicksilver County Park to adjacent parklands. For example, the Calero County Park to Uvas Canyon County Park loop is a moderate 39.7-mile path that links two county parks, offering a longer ride through diverse landscapes.
Yes, many road cycling routes in the park are designed as loops. Examples include the Calero County Park to Uvas Reservoir loop, a 55.1-mile trail, and the Mount Umunhum – Mount Umunhum loop from Almaden Valley, which is a challenging 39.5-mile ride.
Road cycling in the park is characterized by significant elevation changes. For instance, the difficult Mount Umunhum Road – Mount Umunhum loop involves over 900 meters of elevation gain, while other routes like the Calero County Park to Uvas Reservoir loop have around 700 meters of ascent.


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