|Elevation||3,479 ft (1,060 m) NAVD 88|
|Location||Santa Clara County, California, U.S.|
|Range||Santa Cruz Mountains|
|Topo map||USGS Los Gatos|
Mount Thayer is a mountain in the Santa Cruz mountain range located in Santa Clara County, California. The summit is in a section of the abandoned Almaden Air Force Station, about 1 mile west of Mount Umunhum. The elevation of the summit is at 3,479 feet (1,060 m) feet. An old derelict building, surrounded by telephone poles, is located on the summit. Mount Thayer, along with the surrounding property is off limits to the public.
- "Thayer 2 reset". NGS data sheet. U.S. National Geodetic Survey.
- "Sierra Azul Open Space Preserve — map showing restricted access areas". Midpeninsula Regional Open Space District. Retrieved 2009-08-16.