Trail Arch in Mesa County, Colorado
Photo by Craig Shelley
NABSQNO 12S-685160-4336420. Trail Arch is a cave natural arch 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 40 feet. Trail Arch was listed as number 18-105 in the Vreeland catalog.