Observation Rock Sunset A spectacular sunset from the top of Observation Rock along the edge of the Orange Cliffs in the Glen Canyon National Recreation Area. Published on May 29, 2017 Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on Pinterest (Opens in new window) Pinterest Share on Tumblr (Opens in new window) Tumblr Share on LinkedIn (Opens in new window) LinkedIn Share on Reddit (Opens in new window) Reddit Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print