• Varied cave with an underground river, rock pools, areas with natural light and pitch-black corners.
  • The only Oxalis adventure cave in Phong Nha-Ke Bang National Park that can be visited in a day. Also available on two-day adventure tours combined with Hang Va.
  • Probably shares the same waterflow with Son Doong, the biggest cave on the planet.
  • Discovered and surveyed by The British Vietnam Caving Expedition Team in 2003 .
  • Oxalis Adventure works with The British Vietnam Caving Expedition Team and the Vietnamese government to carry out the expeditions.

Nuoc Nut was discovered in 2003, long before nearby Hang Va. A connection between the two was discovered in 2016. There seems to be no physical connection with Son Doong, though they probably share the same underground waterflow. Nuoc Nut is 2.2km long and is probably about 2 million years old.

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Whether you prefer long treks, camping in a cave, sleeping under the stars in the jungle, swimming underground in river caves, explore the huge dry caves or just taking an exploratory day trip, Oxalis Adventure Tours can provide the right amount of adventure just for you.

Day tours

Overnight tours

Multi-day packages