Gourgouthakas

Gourgouthakas is a cave located in the Lefka Ori mountains on the Greek island of Crete. Until resurveying in 2022, it was considered the deepest cave in Greece, with an explored depth of, and was the 43rd deepest in the world in 2010. Following the re-survey conducted by the Gourgouthakas expedition of 2022, the depth has been re-evaluated at.
Gourgouthakas was discovered in 1990 by the Speleological Mission of the Catamaran team, based in Μontbeliard, France. The depth of 985 m was reached in 1997. In 1998, the same group reached the small lake at the bottom, at a depth of. The lake has not yet been explored.
The cave is primarily a deep vertical shaft, filled with intersecting arcades and huge stalagmites and stalactites. Due to its configuration, specialized equipment and expertise is required to explore it.