Jianfengling is located in Ledong County, Hainan Province, is the southernmost national forest park in China, and is also the largest existing area in China, with the best protection of tropical virgin forest area, covering an area of about 1,739 square kilometers. The main peak of Jianfengling is 1412 meters, the lowest altitude of the forest area is only 200 meters, and the complex terrain with a height difference of more than 1,000 meters has formed seven plant ecosystems, with more than 2,800 vascular plants and more than 4,300 animals (including insects), known as the "natural species gene bank of the tropical northern edge".