Photography by David C. Hill

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Mount Umunhum and Its Radar Tower

Mount Umunhum offers some of the most spectacular views of San Jose, the San Francisco Bay Area, and the Pacific Ocean.

©David C. Hill Photography

Mount Umunhum offers some of the most spectacular views of San Jose, the San Francisco Bay Area, and the Pacific Ocean.

For years I've looked at the Santa Cruz Mountains when driving on the 85, and wondered what is that square building?

Mount Umunhum and Its Radar Tower

Mount Umunhum offers some of the most spectacular views of San Jose, the San Francisco Bay Area, and the Pacific Ocean.

©David C. Hill Photography

Mount Umunhum and Its Radar Tower

Mount Umunhum offers some of the most spectacular views of San Jose, the San Francisco Bay Area, and the Pacific Ocean.

©David C. Hill Photography

Mount Umunhum and Its Radar Tower

Mount Umunhum offers some of the most spectacular views of San Jose, the San Francisco Bay Area, and the Pacific Ocean.

©David C. Hill Photography

Mount Umunhum and Its Radar Tower

Mount Umunhum offers some of the most spectacular views of San Jose, the San Francisco Bay Area, and the Pacific Ocean.

©David C. Hill Photography

Mount Umunhum and Its Radar Tower

Mount Umunhum offers some of the most spectacular views of San Jose, the San Francisco Bay Area, and the Pacific Ocean.

©David C. Hill Photography

Mount Umunhum and Its Radar Tower

Mount Umunhum offers some of the most spectacular views of San Jose, the San Francisco Bay Area, and the Pacific Ocean.

©David C. Hill Photography

Mount Umunhum and Its Radar Tower

Mount Umunhum offers some of the most spectacular views of San Jose, the San Francisco Bay Area, and the Pacific Ocean.

©David C. Hill Photography

Mount Umunhum and Its Radar Tower

Mount Umunhum offers some of the most spectacular views of San Jose, the San Francisco Bay Area, and the Pacific Ocean.

©David C. Hill Photography

In 1950 during the Cold War with Russian the land was acquired, the top of the mountain was leveled and an air defense system was put in place. It was in operation until 1980

From Mid Peninsula Open Space.
Mount Umunhum’s significance to the Native American community, and the opportunity to connect to the mountain in your own way at the summit Ceremonial Space

Discover the Radar Tower*, once a key part of the west coast’s air defense system, up close

Find your favorite spot in Silicon Valley from the Summit Shelter and Viewpoint

Ascend to the peak on one of the mountain’s many accessible paths and enjoy the East Summit Viewpoint*
Watch as the mountain’s incredible biodiversity, from tiny rock garden flowers to towering grey pines, recovers on the restored landscape.
Source: https://www.openspace.org/mount-umunhum-sierra-azul

©David C. Hill Photography

Originally shared on Explore San Jose · November 21, 2020