Sablanceau and Redoute of Rivedoux
Rivedoux-Plage, France · built 1674
Sablanceau (anciently Saint-Blanceau) is a beach at the easternmost end of the island of Île de Ré in western France. Sablanceau belongs to the commune of Rivedoux-Plage.
Fort data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).