长白山天池位于吉林省东南部的长白山主峰火山锥体的顶部,是一座火山口,经过漫长的年代积水成湖。海拔2189.1米,略呈椭圆型,南北长4.4公里,东西宽3.37公里,总蓄水量20.4亿立方米。水温为0.7摄氏度至11摄氏度,年平均气温7.3摄氏度。天池是我国最高最大的高山湖泊,是东北三条大江——松花江、鸭绿江和图们江的发源地。 Changbai Mountain Tianchi is located in the southeast of Jilin Province, Changbai Mountain peak volcano cone at the top of a crater, after a long period of stagnant water into the lake. 2189.1 meters above sea level, slightly oval, 4.4 km long from north to south, east-west width of 3.37 km, the total water storage of 2.04 billion cubic meters. Water temperature is 0.7 degrees Celsius to 11 degrees Celsius, the annual average temperature of 7.3 degrees Celsius. Tianchi is the highest and highest mountain lake in China and is the birthplace of three major rivers in northeast China - Songhua River, Yalu River and Tumen River.