The sun setting on the San Francisco Peaks on 7 Jan 2017. Rogers Lake is in the foreground. The Mount Elden dacitic dome is the clump of the hills on the far right. The view is to the northeast.
Geotourism. The Flagstaff area, on the southern margin of the Colorado Plateau, offers an exceptional variety of geologic wonders. The landscape of this plateau is composed of remarkable geologic features: the towering, glaciated peaks of San Francisco Mountain, underground lava tubes and blowholes; meteor-blasted Barringer Crater, and cinder cones and lava flows of the San Francisco volcanic field.
See John Bezy's illustrated, 56-page booklet, "A guide to the geology of the Flagstaff area" for geologic highlights of Flagstaff and environs.