청량산 남쪽 축융봉에는 옛 산성터가 남아 있는데 공민왕이 홍건적의 난을 피해와 쌓았다고 하는 청량산성이다.
In the southern part of Cheongnyangsan Mountain remains an old fortress site, Cheongnyangsanseong Fortress, which is said to be built by King Gongmin to avoid the Red Turban Rebellion.