Blue Hole is a diving location on east Sinai , a few kilometres north of Dahab , Egypt on the coast of the Red Sea . The Blue Hole is a submarine sinkhole , around 94 m (300 feet) deep. There is a shallow opening around 6 m deep, known as "the saddle", opening out to the sea, and a 26 m long tunnel, known as "the arch", whose top is at a depth of 56 m (184 feet). The hole and the surrounding area have an abundance of coral and reef fish. There is a local legend that the Blue Hole is cursed by the ghost of a girl who drowned herself there to escape from an arranged marriage . [1] The Blue Hole is a hot spot for freediving because of the depth directly accessible from shore and the
