Boybuloq Cave
The cave is the deepest known cave in Asia having been explored to a depth of from the entrance. At the lowest discovered level a water-filled siphon blocks further exploration. It is thought that the cave has the potential to be the deepest known cave in the world, with a theorised depth of making it deeper than the Veryovkina Cave. The explored length of the cave is .
List of deepest caves
This list of deepest caves includes the deepest known natural caves according to maximum surveyed depth. The depth value is measured from the highest entrance to the lowest accessible point.