Here are the twelve longest caves of the world, complete
with many of those attributes, as well as many hidden gems. Caves conjure up
images of dangling bats dangling, stalagmites and stalagtites rising from
floors and ceilings and dark, dank holes that seem to to go on forever.
12.Shuanghe Dongqun · China
· Guizhou
Suiyang
Longest known cave in China. Total length of explored
passages is 119,792 m, maximum depth - 593 m.
11.Siebenhengste-hohgant Hoehlensystem · Switzerland
· Bern
Eriz/Beat./Ha.
In 2010 it was the world's 11th longest cave, with a 154-km
development. It is also the world's 22nd deepest cave with 1 340 m
deep
10.The Clearwater System · Malaysia · Gunung Mulu National Park
10.The Clearwater System · Malaysia · Gunung Mulu National Park
Clearwater
Cave, discovered in 1978,
was the first major component of the system, itself explored to 51km length
over several expeditions between 1978 to 1988. In the latter year a small
expedition discovered the 24km long Blackrock
Cave, which in 1991 was connected with
Clearwater.
With the connection of additional caves such as Drunken
Forest and Leopard
Cave, the total length of the Clearwater system at
present is 189km, with likely much more to come.
9.Fisher Ridge Cave
System · U.S.A. · Mammoth Cave National Park
The Fisher Ridge Cave System was discovered in January 1981
by a group of Michigan
cavers associated with the Detroit Urban Grotto of the National Speleological
Society. So far, the cave has been mapped to 117 miles (188 km)
8.Holloch · Switzerland · Schwyz Muotatal
8.Holloch · Switzerland · Schwyz Muotatal
Hölloch Cave is a 198.19 kilometres (123.15 mi) long cave
situated between the river Muota and the area of the Pragelpass in the Valley of Muotha
in Switzerland.
It is also notable for having a depth of 938.6 metres (3,079 ft) and being the
second longest cave in Europe.
7.Lechuguilla Cave · U.S.A.
· Carlsbad Caverns
National Park
Lechuguilla Cave with 134.6 miles (216.6 km) the
seventh-longest explored cave in the world and the deepest in the continental
United States (1,604 feet or 489 meters), but it is most famous for its unusual
geology, rare formations, and pristine condition.
6.Wind Cave · U.S.A. · Wind Cave National Park
6.Wind Cave · U.S.A. · Wind Cave National Park
The cave is also considered a three-dimensional maze cave,
recognized as the densest cave system in the world. The cave is currently the
sixth-longest in the world with 139.15 miles (223.94 km) of explored cave
passageways.
5.Optymistychna · Ukraine · Ternopil Borshchiv
Optymistychna is a gypsum cave that located near the
Ukrainian village of Korolivka, Borschiv Raion, Ternopil Oblast, it has 230
km of mapped passageways and is the longest cave in Eurasia.
Some other sources say it has about 133 miles (214 km) of surveyed passageways,
making it the fourth-longest cave in the world.
4.Sistema Ox Bel Ha · Mexico · Sian Ka'an Biosphere Reserve
4.Sistema Ox Bel Ha · Mexico · Sian Ka'an Biosphere Reserve
Ox Bel Ha is a cave system in Quintana Roo, Mexico.
It is the longest explored underwater cave in the world and ranks fourth
including dry caves. The surveyed length is 242.4 kilometers (150.6 mi) of
underwater passages.
3.Jewel Cave · U.S.A. · Jewel Cave National Monument
3.Jewel Cave · U.S.A. · Jewel Cave National Monument
Jewel Cave National Monument
contains Jewel Cave, currently the third longest cave
in the world, with just over 157 miles (253 kilometers) of mapped passageways.
It became a national monument in 1908.
2.Sistema Sac Actun / Sistema Dos Ojos · Mexico · Tulum
Dos Ojos system cave is 82 kilometers (51 mi) and
there are 28 known sinkhole entrances, which are locally called cenotes.
Sistema Sac Actun measures 215.4 kilometers (133.8 mi) and is second
surpassed by Sistema Ox Bel Ha at 232.8 kilometers (144.7 mi).These two cave
systems since have been frequently exchanging the title as the longest
underwater cave system in the world.
1.Mammoth Cave System · U.S.A.
· Mammoth Cave National Park
Mammoth
Cave developed in thick
Mississippian-aged limestone strata capped by a layer of sandstone, making the
system remarkably stable. It is known to include more than 390 miles (630 km)
of passageway; new discoveries and connections add several miles each year.
Source : http://www.wonders-world.com
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