Plains and lowlands are only interspersed near the confluence and in some valleys.Kast topography and sea erosion topography are everywhere. 岩溶地形所处可见,喀斯特地貌和海蚀地貌比较发育。
Hai Tan scenic area to the sandy beach quality and unique landscape and the sea, And experts were called sea landscape Museum. 海坛风景名胜区以优质的海滨沙滩和奇特的海蚀地貌而闻名,被专家誉为海蚀地貌博物馆。