Sentinel in the Sky
1:00 PM–3:00 PM · Sierra Azul Preserve · San José Free
Hear a retired ranger and Air Force Station veteran recount Cold War life atop Mt. Umunhum.
What was it like living and working at the Almaden Air Force Station on Mt. Umunhum during the Cold War? Join Docent Naturalist (and retired Midpen ranger) Ken Miller, Almaden Air Force Station…
- When
- Sunday, October 11, 2026 · 1:00 PM–3:00 PM
- Where
- Sierra Azul Preserve — Mt. Umunhum Summit Parking Area at the top of Mt. Umunhum Road, San José · map
- Listed by
- Midpen Open Space
- Refreshed