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Gouffre de Castel Meur, Pointe du Château

Coastline area museum, Sites listed or registered with the DRAC, Natura 2000 zone in Plougrescant

  • This jagged shoreline fringed with reefs and dotted with rocky hillocks is an amazing sight to behold here near the Gouffre, or abyss. Over the years, the landscape has gradually evolved, significant, complex swells leading to a build-up of pebbles that flattened out to form what are known as tombolos. Tombolos are horizontal spits of pebbles that link the land to the little islands. ...
    This jagged shoreline fringed with reefs and dotted with rocky hillocks is an amazing sight to behold here near the Gouffre, or abyss. Over the years, the landscape has gradually evolved, significant, complex swells leading to a build-up of pebbles that flattened out to form what are known as tombolos. Tombolos are horizontal spits of pebbles that link the land to the little islands. At the Plougrescant site there are three pebble spits, hemming in two lagoons of brackish water. These lagoons are linked to the sea by way of the pebble spits and are of considerable botanical interest. Erosion has affected the boulders in different ways, depending on their composition. Here the granite is the least eroded, and has formed piles of boulders known as a 'chaos'.