Hienghène (; Fwâi: ''Hyehen'') is a

commune A commune is an alternative term for an intentional community. Commune or comună or comune or other derivations may also refer to: Administrative-territorial entities * Commune (administrative division), a municipality or township ** Communes of ...

in the North Province of New Caledonia, an overseas territory of

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan area ...

in the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the contin ...

. It is located on a bay called Hienghène Bay, known for its eroded limestone islets. The islets are remnants of a

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

and

silica Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula , most commonly found in nature as quartz and in various living organisms. In many parts of the world, silica is the major constituent of sand. Silica is ...

formation that once covered the whole of the bay, some 40 million years ago. Erosion from wind and water carved away the softer limestone, leaving the harder silica behind in eye-catching formations. Several of these formations have been given fanciful names, such as the Sphinx, the Towers of Notre Dame, and the Hen (pictured).

References

Communes of New Caledonia {{NewCaledonia-geo-stub