Tempe Butte is the official name of an andesite butte of volcanic origin, located partially on Arizona State University's Tempe campus in Tempe, Arizona. It is often referred to by locals as A Mountain, after the 60-foot-tall gold-painted letter 'A' near the top. Another name for the area, used by the City of Tempe, is Hayden Butte. The highest point of Tempe Butte stands at 1,495 feet in elevation, while its base is at approximately 1,150 feet in elevation.