
Sunset, looking across the Ash Canyon ciénega to Miller Peak.
At
9,470 feet (2,886 m), Miller is one of five ultra-prominences in Arizona. The designation of “ultra-prominent peak” is given to mountains that rise 4,900 feet (1,500 m) above their surrounding topography and are topographically isolated from other summits with equal elevation. Miller barely makes the list of ultras in the United States, with a prominence of 5,011 feet (1,527 m) above the San Pedro lowlands.












