長白山(shan)(shan)(shan)天池(chi)(Changbai mountain pool in the sky)是(shi)一(yi)座(zuo)休眠(mian)火(huo)山(shan)(shan)(shan),火(huo)山(shan)(shan)(shan)口積水成湖,夏融池(chi)水比天還要藍(lan);冬凍冰面(mian)雪一(yi)樣的白,被16座(zuo)山(shan)(shan)(shan)峰環繞,僅在天豁峰和龍(long)門峰間有一(yi)狹道池(chi)水溢出,飛瀉成長白瀑布,是(shi)松花江的正源(yuan)。
長(chang)(chang)白(bai)(bai)山形成于1200萬年前地質造山運(yun)動(dong),經過多次噴發而拓成了巨(ju)型(xing)的(de)(de)傘面(mian)(mian)體,當(dang)火山休眠時(shi)涌泉溢出,形成十余(yu)平(ping)方千(qian)(qian)米(mi)的(de)(de)浩(hao)瀚水(shui)(shui)面(mian)(mian)。天(tian)池(chi)海拔2189.1米(mi),略(lve)呈橢圓型(xing),南北(bei)長(chang)(chang)4.4千(qian)(qian)米(mi),東西寬3.37千(qian)(qian)米(mi)。集水(shui)(shui)面(mian)(mian)積(ji)21.km2,水(shui)(shui)面(mian)(mian)面(mian)(mian)積(ji)9.8km2,水(shui)(shui)面(mian)(mian)周長(chang)(chang)13.1千(qian)(qian)米(mi),平(ping)均(jun)水(shui)(shui)深204米(mi),最深處達(da)373米(mi)。總蓄(xu)水(shui)(shui)量20.4億立方米(mi)。天(tian)池(chi)水(shui)(shui)溫為0.7℃-11℃,年平(ping)均(jun)氣溫7.3℃。天(tian)池(chi)像一塊(kuai)瑰麗的(de)(de)碧玉(yu)鑲嵌在(zai)雄偉的(de)(de)長(chang)(chang)白(bai)(bai)山群峰(feng)之中(zhong),是(shi)(shi)中(zhong)國(guo)最大的(de)(de)火山湖(hu)(hu)(hu),也是(shi)(shi)世界(jie)上最深的(de)(de)高山湖(hu)(hu)(hu)泊。現為中(zhong)國(guo)、朝鮮(xian)兩國(guo)的(de)(de)界(jie)湖(hu)(hu)(hu)。