It is located in the Miyun County of the suburban area of Beijing. On the left stone wall of the fall, there are five big characters carved on it - "the first fall of Beijing". It is 62.5 meters high, 28 meters higher than the "Tongtian Fall" in the Heilongtan that is not far away from it. It flows all year round in four seasons. Even in the dry season of winter and spring, its flow rate is about 0.5 cubic meters per second.