The terrain is high in the northwest, low in the southeast and gradually inclined low. The mountainous area, hilly area and dam area of the county each account for one third. The annual average temperature 16.7℃ and the annual rainfall 1200- 1500mm. The forest coverage rate is 57.68%. The reserves of glauberite in the county reach 25 billion tons, and the initial proven natural gas reserves are 40 billion cubic meters, which are rich in mineral water, shale, potassium ore and so on.
The development of history
Dan Ling was called Qile County in ancient times, and Emperor Yangdi Huang Kai was founded in 13 (593). It is named after the red, angular and flag-waving Red Rock Mountain in the north of the city. Dan Ling is an important place to inherit elegant culture. In the third year of Fu Yuan in the Northern Song Dynasty (1 100), Yang Sujian, a native of Shan Ling, wrote books such as Daya Gallery and Ya Tang Difficult to Enter.
The county covers an area of 450 square kilometers, governs 5 townships, and has a total population of163,000. Dan Ling is the birthplace of Daya culture, the first batch of pilot counties for the construction of rural ecological civilization homes, the national sustainable development experimental zone, the national ecological demonstration zone and the hometown of citrus in China.