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Magazine How one image captures 21 hours of a volcanic eruption. Science Why it's so hard to treat pain in infants. Science The controversial sale of 'Big John,' the world's largest Triceratops. Science Coronavirus Coverage How antivirals may change the course of the pandemic. Can you imagine that? Son Doong Cave is a truly phenomenal place.
At almost 9km long with sections reaching up to m tall and m wide, Son Doong amazes everyone with its extraordinary size and beauty. With a total measured volume of Stalagmites up to 80m high have also been surveyed, the tallest ever encountered. This cave will continue to amaze you. The ceiling collapsed hundreds of thousands of years ago forming gigantic windows which allow sunlight to penetrate into the darkness.
This explains the lush tropical jungle, tall tropical trees, palms and ferns. Where the ceiling collapsed, forming what we call dolines you may be able to witness the spectacular natural sunbeams. These shine into the cave at particular times of the year, and if you are lucky, you may be there to see it.
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The large dolines or skylights collapsed sometime in the last , years, creating massive openings to the outside world. Cave pearls the size of baseballs and stalagmites the size of tall buildings have formed from water dripping from the cave ceiling.
The main huge passage is over 5km long with sections reaching up to m tall and m wide. Son Doong is large enough to house an entire story New York City block skyscraper. If the connection is made , Son Doong will be the largest cave in the world by volume, as well as cross-section. Find more information about the diving expedition in Son Doong Cave. 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.
An ideal family trip to explore nature and the magnificent caves of the Tu Lan cave system including trekking, swimming in natural steam, picnic lunch at the river, discovering Rat Cave, exciting mini-game.
With only one day, you can still enjoy a challenging trek, a natural swimming pool and see a spectacular cave. Hang Tien, also known as Fairy Cave has an enormous entrance, large calcite formations and unusual rock features. An ideal journey for all members of the family to explore Tu Lan's wilderness.
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