MWO founder George Ellery Hale atop Mt. Wilson, 1904 Huntington Library


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60-in Telescope Viewing

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Tower Cam

The Cosmic Cafe

Station Fire Retrospective

Filming at MWO

Weather & Road Info

Driving Map & Directions

Contact Information

Mount Wilson Observatory is operated by the Mount Wilson Institute under an agreement with the Carnegie Institution of Washington. The Observatory occupies lands belonging to the USDA Forest Service set aside under a long-term leasehold agreement between CIW and the USDA Forest Service. The Observatory subscribes to the USDA non-discrimination policy as expressed here.

Banner photographs by David Jurasevich

Information Directory
Scientific Access to Telescopes is available to qualified scientists. For information regarding use of the 100-inch telescope, including fees, please contact the Observatory Director Dr. Harold McAlister.

Regularly scheduled and specially arranged tours of the Observatory are available for the public. More information regarding these tours is available here. These tours are held in the daytime only and do not include looking through a telescope.

Public viewing through the 60-inch Telescope is available to individuals and groups. Fee and scheduling information is available here.

Requests for historic images taken at the Observatory should be directed to Dr. Dan Lewis of the Huntington Library in San Marino. Please note that the Huntington collection consists only of historical photos of telescopes, observatory buildings, astronomers, etc. and does not include images of astronomical objects.

Film shoot access to Observatory facilities is available for appropriate production companies. See our terms and guidelines for details and contact information.

Additional contacts:

MWI Director's Office

Dr. Harold McAlister, Director
Ms. Brenda Stith, Business Manager
P.O. Box 1909
Atlanta, Georgia 30301-1909

Voice: (404) 413-5484
Fax: (404) 413-5481

c/o CHARA, Georgia State University
25 Park Place, Suite 607
Atlanta, Georgia 30303

MWI Mountain Operations Office
Mr. Eric Simison
Mt. Wilson Observatory
466 Foothill Blvd, #327
La Canada, CA 91011

Voice: (626) 440-9016
Fax: (626) 405-9814

Mount Wilson Institute Trustees and Officers

Board of Trustees:
Mr. Samuel D. Hale, Chairman - Century Management
Mr. C. Robert Ferguson - Attorney at Law
Dr. Josh Simon - Observatories of the Carnegie Institution of Washington
Mr. Michael H. Horner - Tom Sawyer Camps
Dr. Harold A. McAlister - Georgia State University
Dr. Charles Townes, Chairman Emeritus - University of California, Berkeley
Dr. Arthur H. Vaughan - Jet Propulsion Laboratory

Emeritus Trustees:
Mr. Hugh Downs - ABC News, retired
Dr. Eugene N. Parker - University of Chicago

Mr. Samuel D. Hale - Chief Executive Officer
Dr. Harold A. McAlister - Director and Chief Operating Officer
Dr. Arthur H. Vaughan - Deputy Director
Mr. Eric Simison - Deputy Director for Operations
Mr. Donald Nicholson - Associate Deputy Director for Public Affairs