The Blue Hole is a submarine sinkhole, 130 m deep, notorious for the number of diving fatalities which have occurred there.
Some people consider Dahab’s Blue Hole the world’s most dangerous dive site, and has often been referred to as “The Diver’s Cemetery”.
The Blue Hole is conneceted to the open ocean by a tunnel called The Arch, which is about 52 m deep. Lots of accidents have been caused when divers attempt to find a passage through The Arch.
The entrance to The Arch is at an angle and hard to spot, and divers who miss it sometimes continue descending, become increasingly narced, and die.
I got my PADI Advanced Open Water certification here in 2000 and we had our deep dive segment here. It was a wild dive as I lost at contact at about 150 feet and found it stuck to my mask glass when I reached the surface. Great water, food and fun locals.
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