South Korea
Ch'ŏngmasansŏng ranks #8,884 of 9,040 worldwide in the atlas's castle fame ranking, and #40 of the 57 mapped in South Korea. 3 more atlas landmarks stand within 25 km. The nearest day-trip guide is Cheongju, 61 km away. See how South Korea compares in the castle statistics.
Ch'ŏngmasansŏng (Korean: 청마산성; Hanja: 靑馬山城) was a Korean fortress of Baekje in what is now Buyeo County, South Chungcheong Province, South Korea. On January 21, 1963, it was designated Historic Site of South Korea No. 34.
It is located on the mountain Wolmyeongsan. It was constructed in the late Baekje period, and used to defend the capital Sabi. It was the largest and finest of Baekje's fortresses. It had a circumference of 9,277 m (30,436 ft). A number of former sites of its facilities are known, including 10 gates, 36 guard posts, 17 wells, and 14 tombs.
Text adapted from “Ch'ŏngmasansŏng” on Wikipedia, CC BY-SA 4.0.
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