Møns Klint

Møns Klint is a stretch of white chalk cliffs on the Danish island of Møn, rising above the Baltic Sea. Its exposed chalk layers record deposits from the Late Cretaceous.

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Chalk: A soft, porous limestone formed mainly from microscopic marine organisms, especially calcareous plankton. This pale limestone forms the cliffs and gives Møns Klint its striking color.
Coastal erosion: The wearing away and retreat of shorelines through waves, currents, weathering, and related processes. Wave action removes chalk at the cliff foot and contributes to the shoreline's retreat.
GeoCenter Møns Klint: A geological visitor and exhibition center beside Møns Klint in Denmark. Its exhibits explain the chalk cliffs, fossils, and glacial shaping of the landscape.
Møns Klint and Klintholm UNESCO Global Geopark: A UNESCO Global Geopark on Møn that interprets the island's geological heritage and landscapes. The cliffs are a defining geological site within the geopark.
Cretaceous: The final geological period of the Mesozoic Era, lasting from about 145 to 66 million years ago. The chalk exposed here accumulated in a Cretaceous sea.
Landslide: The downslope movement of rock, soil, or debris under gravity. Water-saturated material can fail along the steep slopes, sending chalk and sediment toward the shore.
Dronningestolen: A high viewpoint along the cliff edge at Møns Klint on Møn. This landmark illustrates the height and abrupt profile of the chalk coast.
UNESCO World Heritage Site: A place recognized by UNESCO for outstanding cultural or natural value under the World Heritage Convention. Møns Klint was inscribed on the World Heritage List in 2025 for its geological significance.
Coccolithophore: A microscopic marine alga that produces calcite plates called coccoliths. Accumulated coccolith plates supplied much of the material that became the cliffs' chalk.
Stratigraphy: The study of rock layers, their sequence, and the events recorded by them. Successive chalk beds exposed in the cliff face reveal changes in ancient deposition.