Mount Wilson Observatory |

Mount Wilson will be Reopening to the Public on June 15!
Private Group Telescope Reservations are Now Open! RESERVE NOW

Hours & Directions, Public Tours, Cosmic Cafe, Virtual Tours & Interactive Maps.

60-inch & 100-inch Telescope Reservations, Solar Observing, Public Ticket Nights.

Concerts, Lectures, & Public Star-Gazing Nights.

Donate, Become a Member, Volunteer.

Discovering Mount Wilson Chapter 1: George Ellery Hale

Today we proudly launch ‘Discovering Mount Wilson,’ a special series that will showcase some of the most important news, discoveries...

Historic Mount Wilson Observatory Announces Re-Opening to the Public on JUNE 15

Mount Wilson Observatory, Southern California’s historic home to over 100 years of groundbreaking astronomical discovery, proudly announces it will re-open...

Zoom Lecture Recording: Mt Wilson Observatory & the Birth of Modern Astronomy

Attention Mt Wilson Observatory History Buffs & Future Docents! Our Trustee, longtime docent and retired JPL astrophysicist Tim Thompson gave...

Reflections Newsletter, December 2020 Issue

Read the December issue of our newsletter and get an update on our status during the pandemic and post-Bobcat Fire...

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.