Rees Peak Rees Peak is an 11,476-foot (3,498-meter) summit in the San Francisco Peaks of northern Arizona. Rising north of Flagstaff within the Kachina Peaks Wilderness and Coconino National Forest, it is part of the high volcanic ridge that also includes Humphreys Peak, Agassiz Peak, Fremont Peak, and Aubineau Peak. Although Rees Peak has relatively …