Yes, Tianchi Hot Spring in Changbai Mountain is the largest and deepest crater lake in China, and it is also a hot spring. Known as "Changbai Mountain Tianchi Hot Spring" and "Changbai Hot Spring". Hot spring water gushing from the bottom of Tianchi Lake heats the temperature of the lake in the range of 300 meters long and 40-50 meters wide in the northeast of Tianchi Lake to 20-40℃. Tianchi Lake in Changbai Mountain is a special natural landscape, a volcanic lake and a hot spring.