Shuanghedong (Chinese: 双河洞; pinyin: Shuānghédòng; lit.

[4][5][6][7][8][9][10] It is located near the town of Wenquan in Suiyang County, Zunyi, Guizhou Province.

[11] The cave contains numerous waterfalls, and at least three underground rivers, some of which contain cave shrimp, and fish weighing several pounds.

[12] 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.