I went there one afternoon in late September, went up to climb the Great Wall, took the cable car down, overall this is a niche attraction, Li Zicheng once fought with Qingbing under the corner mountain, not very famous. But there are fewer people and fewer benefits. Climbing the Great Wall delayed some effort, there is a relatively steep, but the fun is also here, and then there is no time to go to the top of the mountain to see Yansai Lake, which is a pity.