Planning Dahab right now? Get a local plan with best areas, dives, food spots, and transfer options.
## Quick answer
The sinkhole plunges approximately 120 metres (≈ 400 ft) in its deepest interior. At roughly 55 metres (≈ 170 ft) down lies the opening to the “infamous” Arch — a natural tunnel about 26 metres long that connects the Blue Hole to the open sea.
## More on this
- [Diving in Dahab](/diving/) — every dive centre, real prices
- [Best time to dive Dahab](/blog/best-time-to-dive-dahab/) — month-by-month
- [The Blue Hole — full guide](/blue-hole/)
## Other quick answers
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Frequently asked
How deep is the Dahab Blue Hole?
The sinkhole plunges approximately 120 metres (≈ 400 ft) in its deepest interior. At roughly 55 metres (≈ 170 ft) down lies the opening to the “infamous” Arch — a natural tunnel about 26 metres long that connects the Blue Hole to the open sea.