Introduction to the Cliff Stone Pagoda by Zen Master Dayuan: It was carved in the 22nd year of Zhenguan (648) in the Tang Dynasty and is located in the eastern part of the north cliff at the entrance of Honggu Valley. The pagoda niche is 1.1 meters high and 0.88 meters wide. It is engraved with the stone pagoda of Zen Master Dayuan. It is 0.77 meters high, 0.74 meters wide, 0.56 meters wide and 0.09 meters deep. There is a niche carved in the middle of the pagoda body, with a round arch roof on top, and a statue of Zen Master Dayuan carved inside, sitting in the lotus position in a meditative posture. There is an inscription engraved on the left side, and there is a cliff stone tower on the south side.