Shuanghedong Cave Network

Shuanghedong (Chinese: ; pinyin: Shuānghédòng; lit. 'twin rivers cave'), is the longest cave in China, in Asia, and the 3rd longest in the world in May 2023.

Shuanghedong
双河洞
LocationSuiyang County, Guizhou, China
Coordinates28.24199°N 107.27608°E / 28.24199; 107.27608 (Shuanghe Dongqun)
Depth912 metres (2,992 ft)
Length417.7 kilometres (259.5 mi)
GeologyLimestone
Entrances105
List of
entrances
see text

It is located near the town of Wenquan in Suiyang County, Zunyi, Guizhou Province.

The cave contains numerous waterfalls, and at least three underground rivers, some of which contain cave shrimp, and fish weighing several pounds. Tadpoles, frogs, salamanders, insects, spiders, bats, leeches, blind fish, and mushrooms have also been found.

Since 1987, at least 20 expeditions from France and Japan have explored the cave.

In May 2023 the network reaches 400 kilometers of development.

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