Chŏnch'ŏn County is a kun, or county, in central Chagang province, North Korea. Originally part of Kanggye county, it was made a separate co…Chŏnch'ŏn County is a kun, or county, in central Chagang province, North Korea. Originally part of Kanggye county, it was made a separate county in 1949. North Korea's largest fir tree is located in this county.