Natural features
Baie de Somme
Le Crotoy, Somme
A huge tidal bay of sandflats and salt marshes, one of the most beautiful in the world, home to France's largest colony of seals.
Natural features in Hauts-de-France, France
About Hauts-de-France · All natural features in France
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Natural features
Dunes de Flandre
Bray-Dunes, Nord
A protected line of wild sand dunes and long beaches between Dunkirk and the Belgian border, among the oldest dunes in France.