1. Mers-les-Bains beach and its Belle Époque villas Mers-les-Bains beach is one of the most iconic sites on the Picardy coast. Lined with colourful Belle Époque-style villas, it offers a setting that is unique in France. It is an ideal spot for swimming, seaside strolls and admiring the listed architectural heritage. 2. The cliffs of Mers-les-Bains and Le Tréport The white chalk cliffs linking Mers-les-Bains to Le Tréport offer spectacular views of the English Channel. Perfect for hiking and photography enthusiasts, they allow visitors to discover the untamed beauty of the Normandy-Picardy coastline. 3. The Tréport funicular Located nearby, the Tréport funicular is a unique experience that connects the lower town to the top of the cliffs. It offers breathtaking views of the sea and is a must-see attraction for young and old alike. 4. The Bois de Cise and Ault Just a few kilometres away, the Bois de Cise is an exceptional natural site nestled in a wooded valley sloping down towards the sea. Nearby, Ault boasts even wilder cliffs, ideal for lovers of nature and tranquillity. 5. The Baie de Somme Ranked amongst the world’s most beautiful bays, the Baie de Somme is a natural gem that is an absolute must-see. Here, you can spot seals, explore the coastal paths and visit charming villages such as Saint-Valery-sur-Somme or Le Crotoy. 6. The Château d’Eu Just a few minutes from Mers-les-Bains, the Château d’Eu is a former royal residence surrounded by magnificent grounds. It bears witness to the region’s prestigious history and offers rich and interesting cultural tours. 7. Mers-les-Bains town centre and market The local market is a must-visit for discovering Picardy’s local produce. The lively town centre, with its shops and restaurants, allows you to fully enjoy the friendly atmosphere of this seaside resort. 8. Water sports and hiking The region offers a wide range of activities: kayaking, stand-up paddleboarding and sailing, as well as superb hiking trails such as the GR21. It is an ideal destination for lovers of nature, sport and the great outdoors.