Well paved road reopened in 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. It's a great workout, but don't be discouraged by the exaggerated 2950 feet elevation change estimate here by Komoot (in biking mode it even calculates 9750 feet): in reality it's closer to 1600 feet of climbing.

Traveler

June 15, 2022

Cycling

One of the highest virtually car-free road climbs in the South Bay, Mount Umunhum became quickly one of the most popular biking destinations since opening to the public in 2017 …

maniboyflex

January 23, 2025

Road cycling

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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Nearby routes

Best routes near Mount Umunhum Road (climb)

4.0

(1)

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#1.

Mount Umunhum Road – Mount Umunhum loop from Cupertino

74.1km

04:17

1,540m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

5.0

(2)

riders

#2.

Mount Umunhum – Mount Umunhum loop from Dartmouth Middle School

40.2km

02:42

1,090m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

5.0

(4)

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#3.

Calero Reservoir – Mount Umunhum loop from Morgan Hill

105km

05:29

1,720m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

Details

Informations

Distance 8.93 km

Uphill 900 m

Downhill 300 m

Weather

Today

Wednesday 6 May

24°C

8°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

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Take Me There

Location: Santa Clara County, California, United States

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Mount Umunhum Road (climb)

#1.

Mount Umunhum Road – Mount Umunhum loop from Cupertino

#2.

Mount Umunhum – Mount Umunhum loop from Dartmouth Middle School

#3.

Calero Reservoir – Mount Umunhum loop from Morgan Hill

Other Popular Places to Check Out

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