Tours of Mount Wilson Observatory

Weekend Public Tours

Docent-led walking tours of the Observatory are available every Saturday and Sunday at 11:30AM & 1PM during the spring and summer.

Private Group Tours

Private tours includes a walk around the grounds, a talk on the history of the institution, and visits to the major telescopes .

Engineering Tours

These very special tours focus on the mechanical, optical, and electrical details of our two largest telescopes with full demonstrations of their motion controls.

Self-Guided Tours

A Visitors Guide is available for purchase at the Cosmic Cafe., or you can  print your own brochure for a self-guided tour.

You can also take an incredible spherical panoramic virtual tour – visit 20 different spots on the mountain, including spaces not open to visitors!