The Wolong nature reserve located in Wenchuan County, 136km away from Chengdu, covers about 200,000 hectares and is at the east foot of Qionglai Mountains where is the transitional region from Qingzang Plateau to Sichuan Basin, 4,000m above sea level. In the natural reserve there are about 4,000 species of plants, 50 varieties of beasts, 300 varieties of birds and 29 varieties rare animals including panda. Now it has been listed as a United Nations International Wildlife Reserve.