Introduction to the three major bays: The three major bays, Penglai Island, are the largest island group in the hinterland of the lake area. They are composed of Xiaolian Mountain, Amitabha Mountain, Huaguo Mountain, Fengpi Mountain, etc. The mountains are connected and the peaks are exposed from the lake. The island is lined with green trees, where you can enjoy flowers, sightseeing and fishing.