![]() ![]() The entrance to Hang Sơn Đoòng was found in 1991 by a local man named Hồ Khanh, while searching for agarwood, a valuable timber. ![]() Īs a solutional cave, it was formed in soluble limestone and is believed to be between 2 and 5 million years old. Its name, Hang Sơn Đoòng, is variously translated from Vietnamese as "cave of the mountain river" or "cave of mountains behind Đoòng ". It is the largest known cave passage in the world by volume. Located near the Laos–Vietnam border, Hang Sơn Đoòng has an internal, fast-flowing subterranean river and the largest cross-section of any cave, worldwide, as of 2009, believed to be twice that of the next-largest passage. Sơn Đoòng cave ( Vietnamese: hang Sơn Đoòng, IPA: ), in Phong Nha-Kẻ Bàng National Park, Bố Trạch District, Quảng Bình Province, Vietnam, is one of the world's largest natural caves. Giant sinkholes situated further into the cave’s depths allow for sunlight and rain to nourish two pristine jungle ecosystems, which are home to flying foxes, the world’s only monkeys to live underground, and eyeless white fish, Google Doodle added. Inside the cave’s undisturbed inner chambers, scientists discovered a wealth of record-breaking geological formations, including the world’s largest limestone pearls and tallest stalagmite, said Google Doodle. In April, 2022, Google Doodle honored the world's largest cave Son Doong. Also, It requires two days of intense jungle trekking and river crossings to reach the entrance of Son Doong Cave," it noted. "The most fascinating elements are a thick forest that's been growing in the cave for years, as well as towering stalagmites, phytokarst, cave pearls, and roof collapses. Hence, a large tunnel was formed underneath," The Travel wrote.īeing 200m high and 175m wide as well as 9.4km in length, the cave could fit a 40-story New York skyscraper inside. Translating to “River Mountain Cave”, it is believed that the cave has been formed by Rao Thuong River erosion into the base of a limestone mountain, Truong Son. "Popular for being one of the largest caves in the world, Son Doong Cave in Vietnam is one of a kind. The other places named on the list in order are: The Aleutian Islands, Antarctica, the Atacama Desert, the Congo Basin, Kaieteur Falls, the Namib Desert, the Mariana Trench, the Sahara Desert and the Amazon Rainforest.Įarly this month, Son Doong was ranked 10th out of the world's 10 most incredible caves by the travel site. Son Doong Cave could fit a 40-story New York skyscraper inside. The intrepid speleologists conducted Son Doong’s first official survey and concluded that it was the largest natural cave on the planet. It remained untouched until 2008 when Ho Khanh retraced his steps to its misty opening, and until 2009 alongside Howard and Deb Limbert of the British Cave Research Association. It features great geological diversity and offers spectacular phenomena while harboring a high level of biodiversity and many endemic species.Įxpert geologists estimate Son Doong was formed sometime between two to five million years ago, before local farmer Ho Khanh inadvertently stumbled upon its enormous entrance in 1990. Phong Nha-Ke Bang National Park in Quang Binh province, home to Son Doong, was inscribed on UNESCO's World Heritage List in 2003. Moreover, the cave is a fantastic example of what can be achieved when nature and time work together.Īn expedition to the cave costs around $3,000 for four days on a tour exclusively operated by Oxalis Adventure. These creatures have adapted to the cave's unique environment and can offer scientists invaluable insight into the evolution of species. Photo courtesy of Oxalis.Īccording to The Travel, Son Doong Cave is home to various species of bats and even some tiny fish colonies. ![]() The Vietnam Wall is the name of the tallest stalactite wall located at the end of Son Doong. "With its winding passages and eerie underground lake, this cave is a thrilling prospect for explorers," it added. "This enormous underground cave system holds a network of immense caverns and chambers, many of which have yet to be fully explored," the travel site said. The world-famous Son Doong Cave in central Vietnam has been ranked fourth out of the world's 10 places still not fully explored by Canadian travel site The Travel. ![]()
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