93.9 The Mountain is an American commercial rock music radio station in Flagstaff, Arizona. It broadcasts to the Flagstaff-Prescott, Arizona area.Upon being purchased by Guyana Corporation in 1994, the station flipped to the classic rock format that still airs today. In March 2013 KMGN shifted to a mainstream rock format. The station, along with four sister stations, was sold to Roger and Nancy Anderson's Flagstaff Radio, Inc. The transaction, at a purchase price of $5 million, was consummated on July 2, 2014.