Bulwark Arch, Mesa County, Colorado
Photo by Craig Shelley
NABSQNO 12S-681090-4331965. Bulwark Arch is a buttress natural arch eroded through Entrada sandstone. It is located above Mee 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 20 feet.