Butian Boulder which is located at the edge of the sky pond, the outfall of Chengcha River seems like a huge ivory inset the sky pond. This boulder condensates after the volcanic eruption, is smelted by fire. There retains many bubbles and scratches above. With the highest point about 10 meters, the width more than 50 meters, is a pocket peninsula inset to the sky pond, and also a tourist attraction full of cultural connotation.
Cowherd Ferry, located on the Chengcha Lake is a stone across the river, which seems like a little bridge, helping people across the river. Because after crossing Chengcha River, one will be able to gaze until of the Weaver Girl Peak, so has its name. Their love story found evidence in Changbai Mountain. Moreover, The lying cow shaped boulder engraved with three characters "Cowherd Ferry". Today, many young people take photo here to show their unwavering love. It has become a love stone.
There is a north-south fault between the peaks of Tianhuo and Longmen. For rocks crushed, weathering strong there, as time passes, it has formed a crack called Tamen. The water of the sky pond flowing from Tamen and long time eroding the earth formed Chengcha River. In myth, “Chengcha” means to lead to the heaven by wooden raft. with the length of 1250m, it is the shortest river in the world.
The Sky Pond of Changbai Mountain
The Sky Pond of Changbai Mountain, the largest crater lake, is the boundary lake between China and North Korea, as well as the source of Songhua River, Tumen River and Yalu River. It is elliptical. Its height is 21.4k㎡, with the surface area of 9.82 square kilometers, surface perimeter 13.17 km. The depth is 373 meters, with an average water depth of 204 meters. The total storage capacity is 2.04 billion cubic meters. The average evaporation is 450 mm, average annual precipitation 1333 mm. The average annual temperature here is -7.3 degrees. it is a huge natural reservoir. In 2000, it won the Guinness world record----the volcanic lake with the highest elevation.
The Waterfall of Changbai Mountain
The Waterfall of Changbai Mountain is the most magnificent sight in the source of the three rivers, located in the north of the Sky Pond, and the end of Chengcha River. Chengcha River runs through 1250m, then falling off the bluff formed the waterfall over 68m，The water impact formed more than 20 meters deep puddle, and over flow from the puddle formed the torrential Erdao Baihe, became the source of Songhua River. In 2000 won the Guinness world record----the volcanic lake falls with the biggest drop.
The Small Sky Pond
The small sky pond is also called Silver-ring Lake. It is about round, the girth of the small sky pond is 260m, with the area of the catchment 5,380m the depth more than 10m. Without drain all year round, There are two kinds of statements of its cause. The one is Glacier theory which says that it is the quaternary glacial moraine evolved lake. The other is parasitic crater theory. It believes that the small sky pond is a small crater ponding with water formed by the eruption of the top crater of the sky pond.