An unnamed caprock natural arch, Garfield County, Colorado
Photo by Jay Wilbur
NABSQNO 12S-691015-4369575. This unnamed caprock natural arch has eroded through Mount Garfield sandstone. It is very fragile and will not likely last for long. It is located west of Colorado Highway 139 between mile markers 20 and 21, in Garfield County, Colorado. It has a span of 11 feet.