Saturdays: mid-May to mid-October
Discovery Park, Safford, AZ

Tours of Mount Graham International Observatory, including the VATT, are run on Saturdays from mid-May to mid-October (weather-permitting) from Discovery Park in Safford, AZ.

The Eastern Arizona College’s Discovery Park Campus is the official tour agent for the Mount Graham International Observatory.

Public tours are conducted by advance reservation, beginning about mid-May through October, weather permitting.

The tour features a trip up scenic Mount Graham, focusing on the mountain’s rich geology, history, and diversity of life; a lunch near the summit of the mountain; and a guided tour of the observatory facility.