The must-sees

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Mers les Bains

Constructed during the fashion for sea bathing at the end of the 19th century, its seaside district, classified Secteur Sauvegardé [Protected Area], bears witness to the evolution of the decorative arts particularly the Art Nouveau style on the coloured facades.

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At the mouth of the Bay of Somme, Ault attracted illustrious figures, such as Victor Hugo, and many painters, drawn by the exceptional light. Here, the cliffs of the Alabaster Coast emerge, which extend to Le Havre.
Also worth seeing: Le Bois de Cise and its Belle Epoque villas.

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Glass making expertise

During the 15th century, in the Forest of Eu, the first glass factories were developed. With the Industrial Revolution and the arrival of the railway, the Bresle Valley became the world's leading luxury bottling centre.

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The Bresle Valley

Cradled by the coastal river that bears its name, ‘La Bresle’ is a breeding ground of rich and fertile fauna. Come and discover, walking, cycling or on horseback, the green and pleasant landscapes of Normandy and Picardy, dotted with charming villages and lakes.

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The beaches

Seaside fun and sports, in a protected natural environment, will delight young and old, where they can recharge their batteries with the salty, invigorating air. From Ault/Woignarue to Criel sur Mer, there are several shingle beaches, offering wide sandy areas at low tide.

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On the menu, a subtle blend of Normandy and Picardy flavours: freshly landed fish, creamy cuisine, gâteau battu and ficelle picarde [Picardy specialities] ... accompanied by farm cider ... Enjoy your meal!


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In the last royal domain of France, let yourself be transported through history with Eu’s exceptional heritage: Gallo-Roman archaeological site, Louis-Philippe Château-museum, St Laurent Collegiate church, etc. Its pretty cobbled streets, with fountains and green spaces are a pleasure to stroll through.

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The Yères Valley

A green setting whose beauty can be admired from the Touffreville-sur-Eu viaduct, it is home to an important, and sometimes rare, biodiversity. Walking or cycling, follow the marked paths and appreciate these preserved landscapes.

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The Forest of Eu

Mainly planted with beech, this ‘former’ royal forest, the main domain of the Comté d'Eu, welcomes various migratory bird species.

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The Chemin Vert du Petit Caux

17km long, the Chemin Vert du Petit Caux is an old railway line linking Dieppe and Eu. A track perfect for walking, horse riding or mountain biking, it overlooks the Yères valley, offering magnificent views of the Normandy countryside.

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A family seaside resort at the mouth of the Yères valley, Criel-sur-Mer has many treasures such as the Briançon Manor house, Château de Chantereine and Mesnil-Val with its exceptional, architectural seaside villas.

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Le Tréport

A lively fishing port, renowned for its many restaurants and fresh fish, Le Tréport is also a seaside resort with a rich heritage. Unusual and not to be missed: the funicular, which crosses the cliff, offering you a magnificent view!

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Marked routes

Destination Le Tréport-Mers offers many marked routes for walking, cycling or on horseback, for all levels, combining varied landscapes (coastline, forest, countryside) and opportunities to discover the heritage.

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The cliffs/shingle

An exceptional maritime sight, the chalky cliffs reach 106m and 110m at Le Tréport and Criel-sur-Mer. Erosion (frost, rain and incessant waves) causes the chalk blocks and strata of flint to fall. After a long process, the sea returns them to shore in the form of shingle...

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