1. Stevns KlintStore Heddinge Stevns Klint is a white chalk cliff located some 6 km southeast of Store Heddinge on the Danish island of Zealand. Stretching 17 km along the coast, it is of geological importance as one of the best exposed Cretaceous-Tertiary boundaries in the world. Subject to frequent erosion, the cliff rises to a height of up to 40 m . The cliffs are a UNESCO site. From Wikipedia, the free encyclopedia.