Miller Peak, at 9,470 feet, is the second-highest mountain in Cochise County, Arizona. Located approximately 10 miles south of Sierra Vista, Arizona, it is the highest mountain in the Huachuca mountain range and a popular local hiking destination. The Miller Peak Wilderness encompasses 20,190 acres and is managed by the Coronado National Forest. This is also the most southerly peak and land area to rise above 9,000 feet in the continental United States.