Full Moon Arch, Navajo County, Arizona
Photo by Jay Wilbur
NABSQNO 12S-576782-4085460. Full Moon Arch is a fin natural arch eroded through DeChelly sandstone. It is located in the Mystery Valley section of the Monument Valley Navajo Tribal Park, in Navajo County, Arizona. Because it is within the boundaries of the Navajo Nation, the services of a guide must be used to visit the arch.Vreeland listed Full Moon Arch as number 10-8 in his catalog. It has a span of 27 feet.