Worlds Most Deepest Caves
Krubera - Voronja Cave
is the deepest known cave on Earth , approx depth of 7188 feet (2191 m).
It is located in the Arabika Massif of the Gagrinsky Range of the Western Caucasus, in the Gagra district of Abkhazia, Georgia.
Illuzia-Snezhnaja-Mezhonnogo
is the second deepest in the world.
Located on the Bzyb massif in Abkhazia, Georgia, the cave is renowned for being dangerous and very difficult to work in.
Gouffre Mirolda caves
It is located in the village of Haute Savoy, France , the cave is said to be 1733 metres.
Vogelshacht and Lamprechtsofen
Located in the Leoganger Steinberger area, in Salzburg, Austria. The cave system has so far been proven to be 5354 feet (1632 m) deep.