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Blue hole
Dahab Blue Hole
Dahab, South Sinai, Egypt
A famous shore dive. 'The Arch', a tunnel at 55 m, has claimed many divers who go too deep.
40 m
130 mRecreational limitBathymetry and profile
A shallow saddle at 6 m leads into a shaft about 100 m deep. The Arch is a 26 m tunnel through the reef that starts at 55 m and opens to the open sea.
Dashed line: 40 m recreational diving limit
Features
- The Arch at 55 m (beyond recreational limits)
- Memorial plaques on the shore
- Popular with freedivers
Specific fauna
- Napoleon wrasse
- Anthias
- Lionfish
- Red Sea coral reef fish