Yunmengshan National Forest Park is located at the junction of Miyun County and Huairou County, with a total area of 2208 hectares, the main peak is 1,414 meters above sea level, the park is rich in landscape resources, dense forests, hundreds of flowers and mountains, fresh air, sweet water, air humidity and ventilation conditions, but the summer temperature is maintained between 20-24℃, The highest temperature is about 28 ℃, which is a famous mountain in the suburbs of Beijing and a unique Zhongshan Landform Forest Park in Beijing with mountain scenery characteristics.