The topography of yichun urban area hillock to mound and low hillock, the area of carbonates of covered type and exposed type from Carboniferous to Permian is 70% of the urban area.

• 宜春城区属岗阜低丘地形，分布石炭系-二迭系覆盖型及裸露型碳酸盐岩，占城区面积近70%25。