|• Revised Romanization||Cheolsan-gun|
|Administrative divisions||1 ŭp, 2 workers' districts, 25 ri|
|• Total||361.4 km2 (139.5 sq mi)|
Ch'ŏlsan County is a kun, or county, in North P'yŏngan province, North Korea. It occupies the Ch'ŏlsan Peninsula, which juts into the Yellow Sea. Ch'ŏlsan borders Yŏmju and Tongrim counties to the north, and is bounded on all other sides by water.
The terrain is dominated by rolling hills, seldom exceeding 300 m; the highest peak is Yŏndaesan at 393 m. The offshore island of Kado enjoys similar terrain, with Yondaebong reaching 335 m. There are a total of 28 offshore islands, some of which are uninhabited. The coastline measure 123 kilometres in length, or 265 km if the islands are also included.
Ch'ŏlsan enjoys a relatively mild maritime climate, with the warmest winters in North P'yŏngan. The annual temperature is 8.9 °C, with a January average of -7.9 °C and an August average of 24 °C. Annual rainfall is 900 mm.
46% of the county's land is occupied by forests, which are dominated by pine and oak. 40% is cultivated, with crops including rice, maize, and soybeans. Clams and fish are harvested from nearby waters.
Educational institutions in Ch'ŏlsan include Ch'ŏlsan Advanced Technical School (철산고등전문학교).
- International Information Research Institute (국제정보연구소) (1999). "철산군". 北韓情報總覽 2000 [Bukhan jeongbo chong-ram 2000]. Seoul: Author. pp. 829–830.
- (in Korean) In Korean language online encyclopedias: