Haengjusanseong Fortress
89 Haengju-ro 15beon-gil, Deogyang-gu, Goyang-si, Gyeonggi-do
Haengju Fortress is an earthen mountaintop fortress built on the upper slopes of Deokyangsan in Deokyang-gu, Goyang, Gyeonggi Province, consisting of an inner wall encircling the summit and an outer …