Hwawangsansŏng

Hwawangsansŏng is an ancient Korean fortress on the mountain Hwawangsan in Changnyeong County, South Gyeongsang Province, South Korea. On January 21, 1963, it was made Historic Site of South Korea No. 64.
The fortress was first established around the 5th century as an earthen fortification. It was rebuilt using stone during the Unified Silla period in the 9th century. The fortress was renovated several times and saw use even into the Joseon period. During the 1592–1598 Imjin War, Kwak Chaeu used the fortress. It ceased to be used by the late Joseon period. It has a circumference of.