EntityQ885734· pop 15· linked from 1,787 articlesBlue HoleSign in to savesubmarine sinkhole a few kilometres north of Dahab, EgyptConnectionsEgyptCountryIsraelConceptRed SeaEntitygeographic coordinate systemEntityGreat Barrier ReefEntityRussiansEntitySinai PeninsulaEntitySix-Day WarEntitycoralEntityhallucinationEntityBedouiEntityunderwater divingEntitypanicEntityBohol SeaEntityCozumel IslandEntityBelize Barrier ReefEntityBay of PigsEntitymental confusionEntityscuba divingEntityGreat Blue HoleEntityCategoriesLandforms of EgyptRed SeaSinkholes of AsiaUnderwater diving sites in Egypt