The Somme meanders through the landscape to form a bay in the far west and empty into the sea. The beautiful Bay of the Somme is a patchwork of mud flats and salt marshes, which drown every day in the rising tide. It is also one of the jewels of the Picardy coast with a vast dune area to the north, perpendicular chalk cliffs to the south and some picturesque seaside resorts in between.