Introduction to Iron Arm Mountain: Iron Arm Mountain is located in the northern part of the park, covering an area of ​​15 acres. It is the main scenery of the park together with Yinchu Lake. It is connected to the Changshou (Ginkgo) Forest to the east, to the Silver Hoe Lake to the west, to the south to the Pine, Bamboo and Plum Scenic Area, and to the north of the Xilao River. The mountain is 26 meters high, making it the highest artificial mountain among Shanghai parks.