Summer 2013

The observatory is currently open for self-guided tours. Guided tours for groups are available but must be pre-arranged by calling in advance.

The observatory is open M-F 9AM-3PM and is closed on the following holidays: President's day, Memorial day, 4th of July, Labor day, Thanksgiving (and following Friday), and generally between Dec. 25 thru Jan. 1.

For more information, media contact, or special arrangements please call the observatory at 530-335-2364.

For emergencies, call the observatory at 530-335-2364, on weekends 530-722-5484.

The observatory is under the operation of SRI International.

Click here for information on SETI and here for a 360 deg panorama of the HCRO site.