Survey reveals Asia's longest cave longer than previously thought By Yang Jun and Liu Boqian | chinadaily.com.cn| Updated: 2025-10-28

https://www.eguizhou.gov.cn/2025-10/28/c_1136012.htm An additional 2.6 kilometers have been added to Asia's longest cave, located in Suiyang county, Guizhou province, since last year, bringing its surveyed length to 439.7 kilometers, according to the results of the cave's 24th international scientific expedition released this month.