From Openwaterpedia天池 or Heaven Lake of Tian Shan) is an alpine lake in Xinjiang, Northwest China. The name (天池) literally means "Heaven Lake" or "Heavenly Lake" and can refer to several lakes in mainland China and Taiwan. This Tianchi Lake lies on the north side of the Bogda Shan range of the Tianshan Mountains, about 30 km (19 miles) south of Fukang City. It is an alpine drift lake shaped in the Quaternary Glacier period.
The lake is 2,000 meters (6,600 feet) above sea level, covering 4.9 square kilometres (1.9 sq mi), 105 metres (344 ft) deep at the deepest point.
Heaven Lake (천지 in Korean) is a crater lake on the border between China and North Korea that lies within a caldera atop the volcanic Baekdu Mountain, a part of the Baekdudaegan mountain range and the Changbai mountain range. It is located partly in Ryanggang Province, North Korea and partly in Jilin Province, northeastern China.
According to North Korean legend, Kim Jong-il was born near the lake on the mountain. Upon his death, the Korean Central News Agency claimed that the ice on the lake cracked so loud, it seemed to shake the Heavens and the Earth.