There are various landforms in Anhui. The Yangtze River and Huaihe River flow through the province and divide the whole province into three main natural areas: the north area to the Huaihe River, the area between the Huaihe River and the Yangtze River and the south area to the Yangtze River. Some major mountains, such as Dabie Mountain, Yellow Mountain, Jiuhua Mountain and Tianzhu Mountain lie in Anhui, and the highest peak of Yellow Mountain--Lianhua Peak--is 1,860 meters above the sea level. There are many rivers and lakes in Anhui, among which is Chaohu Lake, one of the five biggest freshwater lakes in China, which occupies an area of 800 square km.