Tianzhong cave

Tianzhong cave

Tianzhong cave is named after a giant stalagmite shaped like a big bell. The cave is 828.5 meters long and 38.2 meters deep.

The widest part is 38.6m. The narrowest part is only 1.3m. The highest is 53.4 meters and the lowest is 1.5 meters. The whole cave is 762-800m above sea level. Most of the tunnels in the cross section of the cave are triangular, and the bottom of the cave is covered with calcium carbonate and sediment. The sedimentary forms of calcium carbonate include stalactite, stalagmite, stone pillar, stone shield, cave bead, flowing stone, etc. Tianzhong cave is developed in limestone and dolomite of Upper Carboniferous (about 300 million years ago). The cave was first formed in the Neogene (23.3 million years ago): in the early stage, it was the channel of the lower Huanghou underground river. In the middle stage, due to the tectonic uplift, the river cut down, and the cave became the underground channel of Yuanyang Lake. In the late stage, with the further uplift of the structure. The River continues to cut down. The underground water transfers into the lower layer and becomes a dry cave.

Address: xiaoqikong scenic area, Libo scenic area, Libo County, Qiannan Buyi and Miao Autonomous Prefecture

Longitude: 107.682917

Latitude: 25.237755