Pu’er Sun River National Park is located 31km from Simao District of Pu’er in the southeast, only 6km from the Nandao River Entrance of Simao-Xiaomengyang Expressway. Covering a total area of 216.23 square kilometres, the forest coverage rate of the Park is up to 91.8%, with 2104 kinds of plants and 812 kinds of wild animals. The annual average temperature here remains 17.7℃, and its annual rainfall, mainly concentrating in May to October, exceeds 1500 mm. The park boosts 2200 hours of sunshine duration, with total solar radiation of 130000 calorie/cm2. In addition, the rivers running through the Park all belong to Lancang River, showing a rare landscape of complex river directions, which is hardly seen in other regions.