Dashanbao is located in the west of Zhaotong City, 79 kilometers from the city, with an altitude of 3100-3140 meters and an annual average temperature of 6.2℃. As the wintering habitat of the black-necked crane, a national-level protected animal, it has been well known to scientists and photographers at home and abroad. Every winter, a large number of scientists and photographers carry their bags and go up to Dashanbao; the "wintering expedition of black-necked cranes in northeast Yunnan" sent by the president of the International Crane Foundation, Qiaoqi Aqibo, also goes into Dashanbao. Dashanbao Nature Reserve is located in the Wulianfeng Mountain Range in northeast Yunnan, and Dashanbao is its main peak, which is a tectonic erosion high school mountain with an elevation of 3000-3200m; the highest elevation is 3364m in the class car Liangzi, and the lowest elevation is 2210m at the intersection of the turnip ditch at the foot of the slope of the half-slope village of Laolin Village Committee and the border of Ludian County, with a relative elevation difference of 1154m. 1154m. Dashanbao is a warm-temperate plateau monsoon climate, cold in winter and cool in summer, with an annual average temperature of 6.2℃, an average temperature of -1℃ in January, an average temperature of 12.7℃ in July, and an active temperature of ≥10℃ 841.1℃. Long sunshine, annual sunshine hours 2200-2300 hours. The average annual frost-free period is 134 days, the shortest year is only 84 days, so the plant growth period is short. The annual rainfall is 1165mm, with uneven rainfall distribution, and the rainfall from May to October accounts for 88% of the annual rainfall. The best time to travel to Dashanbao is autumn and winter, from early August to early October, the mountains of buckwheat, oats, grass in patches, layers and layers of color, the bleak Dashanbao decorated into a paradise dream world. At this time, the Dashanbao, can be described as a photographer's paradise, you can often see professional photographers carrying equipment around to select scenery. You can see flocks of black-necked cranes feeding and roosting by the lake in two places, namely the Jumping Dun River Reservoir and the Dahaizi Reservoir in Dashanbao. In winter, go to Dashanbao to see black-necked cranes. On September 28, 2015, the construction of Dashanbao first-class highway started and is scheduled to be completed with the end of 2017. By then, the travel time from Zhaotong city to Dashanbao scenic spot will be reduced from 3 hours to 1 hour, which will greatly facilitate travelers to Dashanbao.