Plateau du four

The Plateau du Four, located near Le Croisic in Southern Brittany, France, is a significant shoal teeming with marine life. Divers can expect to encounter a variety of fish species such as sea bass, mullet, torpedo rays, lobster, cicadas, and fishermen. For those passionate about marine biology, this dive site offers an ideal opportunity to explore nudibranchs, sponges, corynactis, and dog's teeth, among other fascinating undersea creatures.

As a passage area for marine mammals, the Plateau du Four is conveniently situated near the regular feeding grounds of bottlenose and common dolphins. The topography of the dive site consists of a shallow sandstone-limestone plateau surrounded by a vertical slope. Its hydrodynamic context, influenced by the plumes of the Loire and Vilaine rivers, contributes to the development of a thriving algal belt dominated by Saccorhiza polysichides, characteristic of the eastern sector of Southern Brittany. Additionally, the presence of micro-reliefs enhances the diversity of suspension-feeding fauna.

Dive enthusiasts can explore various dive sites on the Plateau du Four with varying depths and levels of difficulty. Hikéric, Basse Nouvelle, Les fenêtres, L'épave du charbonnier, L'épave du Laos, Basse Capella, L'inconnu, Epaves SN1, and Le trou de l'anglais are some of the recommended dive sites. Depths range from 12m to 40m, catering to divers of different experience levels, including beginners, advanced divers, and experts.

With a visibility of approximately 9 meters, divers can fully appreciate the richness and beauty of the underwater ecosystem. Whether you are an avid diver or a novice eager to explore the underwater world, the Plateau du Four offers a captivating diving experience near Basse Raimbaud, Metropolitan France.