Seonggeo-sanseong is a mountain fortress site on Seonggeosan north of Cheonan. The walk is the main reason to go: the old defensive walls sit high above the surrounding countryside, with forested approaches and views from the ridge.
Seonggeo-sanseong is a mountain fortress site on Seonggeosan north of Cheonan. The walk is the main reason to go: the old defensive walls sit high above the surrounding countryside, with forested approaches and views from the ridge.