Double O Arch

Double O Arch is a large natural arch located in Arches National Park near Moab, Utah in the United States. It is the second-largest arch within the Devil's Garden area, after Landscape Arch

Background
The formation comprises two large arches stacked on top of each other in the same fin of rock. The larger “O” stretches 71 feet (21 m) across while the smaller arch below measures approximately 21 feet (6 m) across. The arch can be reached via a 4.1-mile strenuous round trip hike on the Devils Garden Trail.