Tenglong Cave Landscape in Lichuan, Hubei
Reference work entry
This is the longest karst cave composed of water holes and dry holes. It is located in the Qingjiang underground river section in Lichuan, Hubei Province. This cave developed at the contact between the Triassic Jialing River Formation and the Daye Formation, and it is located at the transition between a syncline and an anticline. The Tenglong cave system generally trends NE-ENE. Its total length is 52.8 km; the water hole is 16.8 km long, and the dry hole is 36 km long. This is by far the longest karst cave known in China. The dry hole’s entrance is 64 m high and 61.5 m wide. The exit is Bai (White) Cave in the east, which hangs high above the Qianxi (Thousand Creek) River valley. The main cave is 869 m long, and the chamber is grand and spacious. This cave is generally 40 m wide, but the widest part can reach 70–80 m. It is 50–70 m high, but the height of the Yaowu (Demon Fog) Mountain section reaches 237 m. There are numerous branch caves, 29 of which have been surveyed. Four are...
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