About Namhansanseong Fortress
Namhansanseong Provincial Park surrounds Namhansanseong Fortress, one of four forts built to protect Hanyang (the former name of Seoul). Gaeseong, Suwon, Ganghwa and Gwangju are located in the north, south, west, and east direction respectively. Namhansanseong Fortress is located to the east in Gwangju. The park is situated on Namhansan Mountain, 24km southeast from Seoul and 6km northeast from Seongnam. The length of trails is a total of approximately 12.4 km (main fortress 8.9km, external fortress 3.2km, Sinnamsanseong Fortress 0.2km). The height is 7.3m.
Namhansanseong's circumference is approximately 12km, stacking small natural stones over big stones. The fortress includes Sueocheong (Defense Command), Gwana (government office), storage, and a haenggung (temporary palace), as well as 80 wells and 45 springs. Also, administration was moved from Gwangju to inside of the fortress, clearly showing the importance of Namhansanseong Fortress.