Phon Nha- ke Bag National Park

The cave was discovered by a local man in In , a new species of gecko Lygosoma boehmeiwas was discovered here by a group of Vietnamese biologists together with biologists working for the park, Cologne Zoo in Germany and the Saint Petersburg Wild Zoology Institute in Russia. Secondary corridors branch off in all directions.

Phong Nha – Ke Bang National Park

The karsts of Phong Nha can be traced back to Palaeozoic era, million years ago. This makes Phong Nha the oldest major karst in Asia. If the Hin Namnobordering Phong Nha on the west in Laotian territory was to be combined with the national park in a continuous reserve, the combined reserve would be the largest surviving karst forest in southeastern Asiaha.

Non-karstic landforms includes three types: The middle and low dome-block mountains developed in intrusive magmatic massifs; The middle denudation-structural mountain belts developed in terrigenous rocks of Cretaceous age; and The low block-denudational mountain belts developed in other terrigenous rocks.

Karstic landforms in this area are of typical tropical karst which are divided into two groups of forms: The karstic forms on the surface including cone and tower karstkarrensvalleys and dolines, border polje, etc. It emerges 20 km to the south near Pu-Pha-Dam Mountain. It is a site of very great importance for increasing our understanding of the geologic, geomorphic and geo-chronological history of the region.

This cave is m long, contains 14 grottos, with a 13, m-long underground river. The scientists have surveyed The Son River flows into the mouth of the cave and keeps flowing underground, where it is referred to as the Nam Aki River, then this river emerges at a site 20 km to the south near Pu Pha Dam Mountain. The main Phong Nha cave includes 14 chambers, connected by an underwater river that runs for 1. Secondary corridors branch off in all directions.

The Outer Cave and some of the Inner Caves have roofs that tower between 25 and 40 meters above the water level. The Shallow Cave is located meters from the cave mouth, where there is a spectacular landscape of sand and rock. Stalactites and stalagmites jut out like strange trees, exciting visitor’s imaginations. This cave is 5, m long and with a height of 83 m. The grotto is where the long Khe Ry stream This grotto features several spectacular stalagmite and stalactites. In the recent exploring of British Cave Research Association, the scientists have found an abyss in Vom Grotto named Tang hole with the deep of over m.

This grotto is m long, 28 m high. There are some fine sand fields inside. Pygmy Grotto Hang Pygmy : This m long grotto has several streams falling from mounts.

They live in the caves, grottos and on hunting, harvesting natural products. The cave was discovered by a local inhabitant by accident in This cave is m in length. A 10 m deep hole is situated m from the entry mouth, then a m long cave, dangerous for tourists and open to professional expeditionists only. Like Phong Nha cave, this cave features spectacular stalactites and stalagmites shaped like several fairy-tales. Stalactite and stalagmite columns and walls here create strange sounds like that of gong and drum Glacier National Park To Great Falls Mt they are knocked with the hand.

The cave was discovered by a local man in The first 5 km of this cave was explored by explorers from the British Cave Research Association in ; later they in the whole 31 km was explored and announced by the association. The height can reach to m and wide. Found by a local man and explored and publicly announced by the British cave scientists of the British Cave Research Associationit is regarded as the largest cave in the world. The local jungle men were afraid of the cave for the whistling sound it makes from the underground river.

This cave has the potential to be the second biggest cave…

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Regarding fauna, mammal species have been identified, 35 species are listed in the Vietnam Red Book and 19 species are listed in the IUCN Red Book, species of birds, 15 species are listed in the Vietnam Red Book, 19 species are listed in the IUCN Red Book, 99 species of reptiles and amphibians, of which 4 new reptile species were discovered such as ear lizards, Phong Nha Geckos, Truong Son Vipers, crotaluses, with 18 species are listed in the Vietnam Red Book and 6 species in the IUCN Red Book, species of butterflies, species of fish, of which there are 4 endemic species to Quang Binh, 47 species of frogs. In case it is possible, but can still be dangerous to visit. You need to book out months in advance with very good health and skills to get qualified for this adventure.