Introduction to the Tangbian Tiankeng Group: In an area of more than 20 square kilometers around Longfeng Mountain in Xinjian Village, 18 kilometers away from the seat of Tangbian Town Government, there are Maodituo and Dadai Rivers There are 12 tiankeng of different sizes, including Daituo, Yaorenwan, Yindong, and Taraituo. Their depths are all over 300 meters, with the highest altitude being 1,137 meters and the lowest altitude being 548 meters. They are centered on the Dadai River, forming a A group of majestic and large-scale sinkholes.
The original ecology of the tiankeng group remains intact. The natural landscape in the area is unique, and the rare wildlife resources are abundant. The number of tiankeng is large and concentrated, and it is full of native vegetation such as Fagaceae, Lauraceae, Scrophulariaceae, and Fagaceae. , the forest coverage rate reaches more than 90%, and macaques, white-crowned long-tailed pheasants, pangolins, deer, big civets, small civets, golden pheasants, blue sheep, goats, etc., which are national second- and third-level protected animals, can be seen everywhere. .