Welcome to the Conservancy

The Umunhum Conservancy is a non-profit corporation dedicated to the preservation and restoration of Mt. Umunhum and its historic Radar Tower.

The historic Radar Tower atop Mt. Umunhum will be demolished unless the Conservancy raises funds to preserve it.

Mt. Umunhum and the Radar Tower are owned by the Mid-Peninsula Regional Open Space District (MROSD).  MROSD is in the process of opening the summit of Mt. Umunhum to the public.  However, MROSD does not spend its funds on historic preservation.  Unless the Conservancy raises funds to save it, the Radar Tower will be demolished.

Help Protect the Tower!

Please come to the April 16th meeting of the Santa Clara County Historical Heritage Commission and ask them to put the Tower atop Mt. Umunhum on the County’s Heritage Resource Inventory.

If the Tower is officially declared “historic” then it will be more difficult to demolish.

If you support preserving the Tower, please come and speak at the Historic Heritage Commission meeting on April 16th! The meeting starts at 6:30pm in the Board of Supervisors chambers on the first floor of 70 West Hedding in San Jose. The Commission will vote on whether to recommend that the County Board of Supervisors include the Tower on the Heritage Resource Inventory, which would provide some protection against demolition.

Click here for more details!

Support from Local Leaders

Numerous local political figures and other community leaders support preserving the Radar Tower atop Mt. Umunhum.  Check out the list, and thank them for their support!


Thanks to our friends at KMVT, here is an interesting interview with Conservancy Director Basim Jaber about the history of Mt. Umunhum and the Conservancy!

Upcoming Events

Come learn more about Mt. Umunhum, the Almaden Air Force Station, and how you can help!

Saratoga Arbor Day

The Umunhum Conservancy will have a booth at with City of Saratoga’s Arbor Day celebration on Tuesday April 21st at 4pm.  Come say “hi” and learn about the Conservancy and Mount Umunhum!  Details of the event are here.

History of Almaden Air Force Station

Come learn about the history of this fascinating site, see actual artifacts, and enjoy a slide show of amazing historic photos of the radar station when it was in operation between 1958 and 1980. Presented by Basim Jaber (Historian/Archivist and founder of the USAF 682nd Radar Squadron Veterans Association, and member of the Umunhum Conservancy Board).

For presentation dates and registration information, click here!