Son Doong meaning “Mountain River cave” in Vietnamese is the largest known cave in the world situated in the Quang Binh province of Vietnam. The cave was formed 2-5 million years ago with the erosion of limestone by river water underneath a mountain. Following an initial discovery of the cave by a local farmer in 1991 while taking refuge from a storm who afterwards could not find his way back there, the cave was later rediscovered with his help and explored by British led Howard Limbert and his team of cavers. The Son Doong Cave runs 5.5 miles long, is 650ft wide and stands tall at 500ft. The Son Doong Cave complete with its own rivers and jungle is a monumental work of nature.

1. World’s Largest Cave :

At 5.5 miles long, 650ft wide and 500ft tall, the Son Doong Cave is five times larger than Phong Nha Cave, previously considered the biggest cave in Vietnam and in 2009, officially broke the record as the world’s largest cave beating former tile holder – Malaysia’s Deer Cave.

2. Camping Inside Son Doong:

The Son Doong Cave has recently been open to the public for guided tours. Visitors camp inside the entrance of the massive cave during a six-day trip organized by tour company Oxalis. The enormity of the cave can be clearly made out in this picture wherein the campers and appear dwarfed by the mammoth size of the cave.

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3. Self Contained Cave:

The Son Doong Cave made up of a network of at least 150 individual caves is self sufficient, in that it has its own lake, river, waterfalls and jungle.

4. Largest Cave:

The tour inside Son Doong caat the wonders of this mve involves delving into the recesses of the cave to marvel monstrous cavern, one of them being the Hand of Dog which is a huge stalagmite resembling a dog’s paw.

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5. Challenging Task: