Boesmansgat


Boesmansgat, also known in English as "Bushman's Hole", is a deep submerged freshwater cave in the Northern Cape province of South Africa, which has been dived to a depth of.
Boesmansgat was believed to have first been explored by amateur diver Mike Rathbourne, in 1977. The greatest depth attained was by Nuno Gomes, in 1996. Its altitude of over makes this a particularly challenging dive, requiring a decompression schedule equivalent for a dive to at sea level.
On 24 November 2004, Verna van Schaik set the Guinness Woman's World Record for the deepest dive with a dive to.

Deaths

In Mo Hayder's novel Ritual, the death of the parents of one of the protagonists while diving in Bushman's Hole is an important plot device.