18 meters. Located at the northern foot of Yushan Mountain, the Dragon Temple in Changshu was built in the Northern Song Dynasty for four years, and it was renovated in 1995. The Dragon Temple in Changshu is 18 meters long. There is an ancient ginkgo tree in the Song Dynasty in the hall, which has a strange shade and is called "Dragon Tree". There is a dragon mother's tomb in front of the tree, and Ruishi River in the northwest of the hall is more than 1 meters long.