Introduction to Yangyan Mountain: Yangyan Mountain was named in ancient times for "there are stone shadows like sheep on the stone wall at the top of the mountain". The main peak is 786 meters above sea level. From the top of the mountain, you can see Sanmen Bay in the east, Linhai City in the south, and Linhai City in the west. Kuocang Dian, looking north at Huading Yun.