174.6 km. According to relevant information, the whole journey from Huangshan Long Jun Home B&B to Qiandao Lake is 174.6km, and the journey takes 3 hours 1 min, passing through Beijing-Taiwan Expressway and Chunyang Line, and passing through 14 traffic lights. Huangshan Long Jun Home is located in Huancheng West Road, Huizhou District, Huangshan City. It is a professional service organization focusing on timeshare, migratory bird health care and community pension. Qiandao Lake of Xin 'anjiang Reservoir is located in Chun 'an County, Hangzhou, Zhejiang Province, and a small part of it is connected with the northwest of jiande city, Hangzhou. It is an artificial lake, which stores the water in the upper reaches of Xin 'anjiang River for the construction of Xin 'anjiang Hydropower Station.