Blue Hole
Dahab
Dahab's legendary submarine sinkhole and the ArchThe Blue Hole is a roughly circular submarine sinkhole about 120 m deep, ringed by reef and famous for the Arch, a 26 m tunnel whose ceiling sits at 55 m and opens to the open sea. Most recreational divers explore the rim wall and the shallow saddle, while the deep Arch transit is strictly the domain of trained technical divers. It is one of the most beautiful and most infamous dive sites on Earth, marked by a sobering memorial wall to lost divers.Read the full write-up →
Also written up

More sites, told the same way

The Atlas · Edition 1

A field guide,plotted on the coast.

Open the full map
Descending…
Legend
Selected site
Catalogued site
Prime Site
Region area

Start your own logbook

Log your dives, match sites to your certification, and follow divers who go where you want to go.

Create your free account