It is recommended, fun and fun, the experience is very good, the scenery is good, Kaiyuan cave is called the first hole in Shandong, it is a natural formed karst landscape, a variety of stalactites and mineral rocks with colorful lighting effects to form a variety of wonderful landscapes, It is commendable that there is free explanation in every major attraction. There is a free battery car to the top of the mountain after the cave, where you can play slings and rafting, along the way there are waterfalls, small bridges, ornamental fish, and small children's playgrounds. During the National Day, there were not many people, and the persimmons on the mountain were very beautiful.