Monday, August 10, 2026 Search My Trip EnglishChinese
World news · travel · culture
Taiwan The Taiwan Times
Taiwan's window to the world

Chom Ong

Chom Ong Cave is a cave system located in Oudomxay Province, in the north of Laos. Featuring a length of more of 16 km, it ranks now as the longest cave in Northern Laos and is one of the top 10 in all Laos.

Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

More caves in Laos

  1. Chao Anouvong Cave
  2. Tam Pa Ling Cave
  3. Tham Jang
  4. Tham Kong Lo
  5. Tham Non

Other notable caves worldwide

  1. Mammoth Cave · Australia686 km
  2. Sistema Sac Actun · Mexico119.2 m
  3. Lechuguilla Cave · United States489 m
  4. Optymistychna Cave · Ukraine20 m
  5. Veryovkina Cave · Georgia2,212 m
  6. Krubera Cave · Georgia2,199 m
  7. Sarma cave · Georgia1,830 m
  8. Clearwater Cave · Malaysia109 km