Cayeux-sur-Mer is a charming coastal town located in the Somme Bay, in the Picardy region of northern France. Known for its stunning natural beauty, the town is famous for its long pebble beach, which stretches for over 10 kilometers and is lined with colorful beach huts. The town is also home to a unique wooden boardwalk, which runs along the beach and provides stunning views of the surrounding area. In addition to its natural attractions, Cayeux-sur-Mer is also known for its rich history and cultural heritage. The town is home to several historic buildings, including the 19th-century Saint-Pierre church and the iconic lighthouse, which offers panoramic views of the surrounding landscape.