The broad top of Mount Rainier contains three named summits. The highest is called the Columbia Crest. The second highest summit is Point Success, , at the southern edge of the summit plateau, atop the ridge known as Success Cleaver. It has a topographic prominence of about , so it is not considered a separate peak. The lowest of the three summits is Liberty Cap, , at the northwestern edge, which overlooks Liberty Ridge, the Sunset Amphitheater, and the dramatic Willis Wall. Liberty Cap has a prominence of , and so would qualify as a separate peak under most strictly prominence-based rules. A prominence cutoff of is commonly used in Washington state.