The term "rocky heights" can be used to describe grand geological formations that are rugged and impressive. While "rocky heights" is an adequate phrase to convey this idea, there are many other synonyms that can be used to describe these elevated structures. Words such as crags, cliffs, escarpments, precipices, or bluffs, can be used as synonyms for "rocky heights". These terms give a more descriptive and evocative feel to the landscape and are useful when you want to create a vivid and immersive experience for your reader. The right synonym can transform the description of "rocky heights" into a vivid and awe-inspiring image in the mind of your audience.