Møns Klint
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How it came to be
The white cliffs that run for about 6 km along the east coast of the Danish island of Møn are chalk, made from the shells of microscopic organisms (coccolithophores) that settled on the seabed more than 70 million years ago. Pleistocene glaciers pushed, folded and stacked the chalk. When the ice melted at the end of the last ice age, about 11,000 years ago, the cliffs emerged.
UNESCO calls the site one of the largest and best described glaciotectonic complexes in the world. Because the sea keeps cutting back the cliffs, it exposes a cross-section through the layers the ice pushed up. The highest cliff, Dronningestolen, stands 128 m above sea level. In 1998 the high point known as Sommerspiret fell into the sea, and in January 2007 a larger landslide created a chalk peninsula 300 m long.
On the cliff tops, the chalky soil supports orchids, of which UNESCO counts 18 species. The cliffs were a favourite subject of landscape painters in the Danish Golden Age. On 29 May 2007 the GeoCenter Møns Klint, a geological museum, opened above the cliffs. The site was inscribed in 2025.
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