Near the summit of Agassiz Peak, the second-highest peak in Arizona, in the Arizona Snowbowl ski resort in the Coconino National Forest, an amenity to visitors has a curious designation. The public restroom on the slopes of the mountains has been identified as the highest toilet in Arizona. The toilets are near the summit of the San Francisco Peaks and within the only area of Arizona that is classified as a tundra ecosystem. Within sight is the highest point in Arizona, Humphrey’s Peak, which sits at 12,637 feet. If weather…