Mount Wilson is OPEN to the public! Please see our VISITING page for hours, directions, maps & more. In accordance with the July 15, 2021 Los Angeles County Health Officer Order, masks are required in all indoor areas of the observatory grounds. This includes the Sunday Concerts in the Dome: at this time masks are required in the 100-inch dome.

Upcoming Events & Programs


A monthly FREE Zoom lecture series chronicling our history, hosted by Tim Thompson, MWO Trustee, Observatory Docent and Session Director.


View celestial objects through our large, historic telescopes, the 60 and 100 inch telescopes–the two largest in the world dedicated to public viewing.


Artistic Director Cécilia Tsan curates thoughtful musical adventures under the magnificent vaulted dome of the 100-inch telescope. 

Discovering Mount Wilson

The mission of the Mount Wilson Institute is to manage and promote the Mount Wilson Observatory for scientific research, historic preservation, education, public engagement, and the arts.