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Routes
Mountain biking trails
United States
California
Santa Clara County
Los Gatos

Mount Umunhum Summit – Mount Umunhum loop from Santa Rosa Openspace

Routes
Mountain biking trails
United States
California
Santa Clara County
Los Gatos

Mount Umunhum Summit – Mount Umunhum loop from Santa Rosa Openspace

Hard

3.1

(10)

63

riders

Mount Umunhum Summit – Mount Umunhum loop from Santa Rosa Openspace

05:37

46.3km

1,780m

Mountain biking

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 24, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 17.5 km for 251 m

Waypoints

A

Start point

Parking

Get Directions

1

231 m

Kennedy Trail

Highlight (Segment) • Trail

When you reach the trailhead of "Kennedy Trail", a climb starts right away but ends very quickly and is even followed by a coast down a gentle downhill.

The "real" …

Tip by

2

6.49 km

Kennedy Trail

Highlight (Segment) • Trail

The upper stretch of Kennedy Trail offers a gentle, mostly flat ride along a ridge sloping northward from Limekiln to Priestrock Trail. Further north, the trail descends swiftly in a …

Tip by

3

8.61 km

Junction of Limekiln, Kennedy, and Woods trails

Highlight • Trail

Three of the most popular area trails come together here; depending on how ambitious you are, you might return to this juncture several times as you crank through the forested hills.

Tip by

4

23.1 km

Mount Umunhum Summit

Highlight • Summit

Long closed as a military radar station, the peak has now become one of the most popular biking destinations thanks to the excellent, albeit steep, paved road to the top. …

Tip by

5

23.1 km

Mount Umunhum

Highlight • Summit

Opened in 2018, on the top of Sierra Azul Open Space preserve the Vista points and the former radar tower on the summit of Mt Umunhum provide stunning 360° views

Tip by

6

23.3 km

Mount Umunhum Trailhead

Highlight • Trail

Top of the trail off the paved road with spectacular views; it's all the way downhill from here ;-)

Tip by

7

39.8 km

Priest Rock Trail/Kennedy Trail Junction

Highlight • Trail

Ride a little (200m) past the intersection of Kennedy/PriestRock and you'll find a nice vantage point to your right: good for a rest and 360*-views.

Tip by

8

46.1 km

Kennedy Road Sierra Azul Trailhead

Highlight • Trail

The Kennedy Road Sierra Azul Trailhead has a small parking area that fits about three cars, depending on size, and offers a shaded starting point. A portable toilet is available …

Tip by

B

46.3 km

End point

Parking

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Way Types & Surfaces

Way Types

45.8 km

537 m

Surfaces

24.4 km

21.4 km

537 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,030 m)

Lowest point (240 m)

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Weather

Powered by Foreca

Wednesday 8 July

26°C

13°C

-- %

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