Ch'à Ânma County is a kun, or county, in northwestern North P'yà Ângan province, North Korea. It borders Kusà Âng city and Taegwan county to the east, Sonch'à Ân and Tongrim counties to the south, à ¬iju and P'ihyà Ân counties to the west, and Sakchu county to the north. It was created in 1952 from parts of Kusà Âng and à ¬iju.
There are abundant mountains, with the Ch'Ã Ânma and Munsu ranges both traversing the county. The highest peak is Ch'Ã Ânmasan, 1169 m. The Ch'Ã Ânmasan region provides habitat for a variety of animals, and has been designated an animal protection area.
The county lies in the Yalu River basin; major tributaries draining the county include the Samgyoch'Ã Ân and the Kojin and Ch'Ã Ânma Rivers; these have been dammed to create Manp'ung Lake as well as the Taeha Reservoir, the water from which is used to water the plains along the Yellow Sea.
Ch'Ã Ânma county is divided into 1 Ã Âp (town) and 20 ri (villages):
The climate is continental, with hot summers and cold winters. The average annual temperature is 8.7 ðC, with a January average of -10.7 ðC and an August average of 22.6 ðC. The average annual rainfall is 1260 mm. Some 13% of the county's land is cultivated; 82% is forestland. Chonma leads the province in the production of hops.