Colorado River flowing through Marble Canyon, viewed above Cathedral Wash, adjacent to the Glen Canyon Recreation Area, Arizona, United States of America, North America

Upper Cathedral Wash in Glen Canyon Recreation Area with path leading to the Vermilion Cliffs, Arizona, United States of America, North America

Colorado River flowing through Marble Canyon, viewed above Cathedral Wash, adjacent to the Glen Canyon Recreation Area, Arizona, United States of America, North America

Upper Cathedral Wash in Glen Canyon Recreation Area with path leading to the Vermilion Cliffs, Arizona, United States of America, North America

Colorado River flowing through Marble Canyon, viewed above Cathedral Wash, adjacent to the Glen Canyon Recreation Area, Arizona, United States of America, North America

A slot canyon along Cathedral Wash in Glen Canyon Recreation Area, Arizona, United States of America, North America