There is widely distributing the summit level in Western Hubei Mountain Region, namely "the topographical level of Western Hubei Period", which is the existence of accoedant ridge tops that locally truncate lithology and structure in the upland areas, with an altitude of 2 200 -1 700m, or even lower.
鄂西山区存在广阔的峰顶面，具体表现为许多中低山顶部起伏平缀，“一望如平湖”。