Introduction to Xiaotianchi: Xiaotianchi is located deep in the dense forest on the west bank of Erdaobai River on the north slope of Changbai Mountain and on the west bank of Baihedu Bridge. It is about 3 kilometers away from Changbai Waterfall. Xiaotianchi has a circumference of 260 meters and is circular in shape. It has a water collection area of ​​5,380 square meters and an average water depth of more than 10 meters.