Changbai Mountain Tianchi is a dormant volcano. The crater accumulates water into a lake. The summer melt pool is bluer than the sky; the winter ice is white like snow. There are four routes to choose from in Changbai Mountain Tianchi, namely: uphill on the north slope, uphill on the west slope, uphill on the south slope, and east slope in the north, so the Tianchi is generally referred to the first three lines. The scenery of each slope is different. The north slope is the most classic route. Of course, the tourists also have the most , the south slope needs to climb and be far away, and the west slope people are slightly less. Located at the top of the volcanic cone of the main peak of Changbai Mountain, Changbai Mountain Tianchi is a crater that has formed a volcanic lake after a long period of water accumulation. Due to the influence of environment and topography, Changbai Mountain is rich in precipitation, and the center of precipitation is surrounded by the Tianchi Lake. Together with the volcanic topography, many rivers, waterfalls, springs and waters have been developed on the volcanic cones and lava plateaus of Changbai Mountain. ,lake.