Paektu Mountain (), also known as Baekdu Mountain and in China as Changbai Mountain (), is an active stratovolcano on the Chinese-North Korean border. At , it is the highest mountain of the Changbai and Baekdudaegan ranges. Koreans assign a mythical quality to the volcano and its caldera lake, considering it to be their country's spiritual home. It is the highest mountain in North Korea, the Korean Peninsula and Northeast China.