The Horseshoe 2 Fire was a 2011 wildfire located along the southeastern flank of the Chiricahua Mountains in southeastern Arizona. It began in Horseshoe Canyon on the Douglas Ranger District of the Coronado National Forest on May 8, 2011, at approximately 11:00 a.m. The fire was started by human activities, and burned over 9,000 acres in its first day. By June 1, 2011, the fire had burned an area of over 80,500 acres of grasses, shrubs, and trees along the mountain slopes. By June 8, it had grown to 106,661 acres. By June 17, the fire was 65% contained and had become the fifth-largest wildfire in Arizona history. 100% containment was achieved on June 25 after a total area of 222,954 acres had burned.