An unnamed buttress natural arch in Mesa County, Colorado
Photo by Jay Wilbur
NABSQNO 12S-684645-4335325. This small buttress natural arch is eroded through Entrada sandstone. It is located above Rattlesnake Canyon in a BLM wilderness area west of Grand Junction in Mesa County, Colorado. Access requires a permit and directions from the BLM ranger station in Grand Junction. It has a span of about 8 feet.