Mine Hill Trailhead – Mount Umunhum Road loop from New Almaden

Bike touring routes & trails

United States

California

Santa Clara County

Mine Hill Trailhead – Mount Umunhum Road loop from New Almaden

Moderate

5.0

(6529)

6,530

riders

Mine Hill Trailhead – Mount Umunhum Road loop from New Almaden

01:22

13.6km

390m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: September 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Sierra Azul Open Space Preserve

Almaden Quicksilver County Park

Waypoints

Start point

Parking

Get Directions

214 m

Mine Hill Trailhead

Highlight • Trail

At this trailhead Mine Hill Trail starts with an initial climb up from the parking lot into Almaden Quicksilver County Park. It is the main, longest trail, winding to the …

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733 m

Mine Trail Climb, Almaden Quicksilver County Park

Highlight (Segment) • Climb

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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3.14 km

Castillero Trail–Mine Hill Trail Junction

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You'll want to have your maps downloaded and your route planned once you reach this point. Two trails diverge here and short distance down the Castillero Trail you'll have the option to take up the English Camp Trail.

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3.18 km

Castillero Trail

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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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3.26 km

Mine Hill & April Trail Junction

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This junction offers many options for continuing to explore the park. From here, you can stay to the left on Mine Hill Trail to extend your hike and connect with …

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8.23 km

Mount Umunhum Road

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Hiker/biker trailhead parking at the bottom of the well-paved road reopened in September 2017, climbing sometimes steeply in switchbacks into the Sierra Azul preserve from Hicks Road to the former radar tower on the summit of Mt Umunhum

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8.27 km

Woods Trail Trailhead

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At the intersection of Mt Umunhum Rd and Hicks Road is the trailhead parking area for Woods Trail going west. Across Hicks road is the entrance to Woods rd trail going east.

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13.6 km

End point

Parking

Way Types & Surfaces

Way Types

7.93 km

5.45 km

192 m

< 100 m

Surfaces

7.98 km