12Calanque de Sugiton, France
Calnque de Sugiton is a rather steep valley created as a result fluvial erosions and collapsing of cave roofs that have been drowned as a result of the rising sea level. Calnques are located near the Mediterranean coast, the most famous of which is the easy to reach Calanque de Sugiton, juxtaposed between Cassis and Marseille.