Jilin Province has a varied landscape, generally sloping towards the northwest. With the Daheishan Mountain Range in the middle, the province is divided into two topographic regions: the mountainous area in the east and the plains of the midwest. The former is further divided into the Changbaishan Mountains and their foothills; and the latter can be divided into high plains in the middle, and grassy marshlands, lakes, ponds, and wet sandy soils in the west. The main mountain chains include the Daheishan Mountains, the Zhangguangcailing Range, the Jilinhadaling Range, the Laoling Range, and the Mudanling Range, etc. The main plains include the Songnen Plain and the Liaohe Plain, etc.