Dziani Dzaha, or Lake Dziani, is a
crater lake
Crater Lake (Klamath language, Klamath: ''Giiwas'') is a volcanic crater lake in south-central Oregon in the western United States. It is the main feature of Crater Lake National Park and is famous for its deep blue color and water clarity. The ...
on the island of
Petite Terre in the French overseas territory of
Mayotte
Mayotte (; french: Mayotte, ; Shimaore: ''Maore'', ; Kibushi: ''Maori'', ), officially the Department of Mayotte (french: Département de Mayotte), is an overseas department and region and single territorial collectivity of France. It is loc ...
. It is well known for its underwater lava tube caves and their fabled hidden pirate treasure. Whilst diving these caves is forbidden by law there is a growing cottage industry of guides that take intrepid tourists into its murky depths for the chance to score some pirate treasure.
References
Volcanic crater lakes
Bodies of water of Mayotte
{{Mayotte-geo-stub