Krong No volcanic cave is a volcanic cave system in Krong No district, Dak Nong province, Vietnam. This is a 25 km long volcanic cave system in basalt, stretching from the crater of Buôn Choar volcano along the length of the Serepok river to the Dray Sap waterfall area. The cave sets a record for its scale, length and uniqueness in Southeast Asia, and was discovered by scientists from the Vietnam Geological Museum (General Department of Geology and Minerals) and Japanese scientists in 2014 after 7 years of research. 
 Author: Nguyen Van Anh
 Entries for the Happy Vietnam 2024 Photo and Video Contest
 Vietnam.vn


![[Photo] General Secretary To Lam meets former British Prime Minister Tony Blair](https://vphoto.vietnam.vn/thumb/1200x675/vietnam/resource/IMAGE/2025/10/30/1761821573624_tbt-tl1-jpg.webp)
![[Photo] General Secretary To Lam attends the Vietnam-UK High-Level Economic Conference](https://vphoto.vietnam.vn/thumb/1200x675/vietnam/resource/IMAGE/2025/10/30/1761825773922_anh-1-3371-jpg.webp)

![[Photo] The Third Patriotic Emulation Congress of the Central Internal Affairs Commission](https://vphoto.vietnam.vn/thumb/1200x675/vietnam/resource/IMAGE/2025/10/30/1761831176178_dh-thi-dua-yeu-nuoc-5076-2710-jpg.webp)
![[Photo] Touching scene of thousands of people saving the embankment from the raging water](https://vphoto.vietnam.vn/thumb/1200x675/vietnam/resource/IMAGE/2025/10/30/1761825173837_ndo_br_ho-de-3-jpg.webp)



































































Comment (0)