Red rock is a type of geological formation that is characterized by the presence of red-colored sedimentary rocks. There are several synonyms that can be used to describe red rock. For example, you could refer to the rock formation as a red mesa, a red sandstone butte, or a red canyon. These terms all describe a similar type of rock formation that is characterized by its red hue. Other synonyms for red rock might include a red cliff or a red escarpment. No matter the term used to describe it, the unique beauty of red rock formations is truly breath-taking and fascinating to behold.