15 kilometers. According to the Baidu map, Pengzhen Old Teahouse is 15 kilometers away from the center of Chengdu, and is located on the bank of Yangliu River in Pengzhen. It is an old teahouse with a history of more than 1 years and few remaining folk houses in western Sichuan. The subway hasn't been opened yet, and the bus is very convenient. It takes 3 yuan an hour to get there.