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Somme

Somme

The Top 20 Natural Monuments in Somme

Somme’s landscape is a beautiful place to explore — something that you can best experience by visiting one of our 20

beautiful natural monuments in Somme. To help you find the one for, you can see all the details you need to explore the best natural monuments, and better plan your next outdoor adventure!

Last updated: November 14, 2025

Ault Chalk Cliffs

Highlight • Natural Monument

Ault, the best beach in Picardy

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La Cise Cliff

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The cliffs around the beach of Ault are composed of chalk from the Upper Cretaceous, more precisely from the Turonian and Coniacian (around 83 million years ago to 90 million …

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Baie de Somme

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The bay of summer, on our trip it was low tide.

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The Hâble d'Ault Route

Highlight (Segment) • Beach

Le Hâble d’Ault is a land of lowlands isolated from the sea by a bead of pebbles. The pebbles find their origin in the slow and spectacular dismantling of the …

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View of Onival Beach and the Ault Cliffs

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From the top of the small town on the cliffs, the view opens onto the plains along the beach to the north.

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Saint-Ladre Pond Nature Reserve

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The Saint-Ladre Pond Nature Reserve covers 13.4 hectares of wetlands and ponds which are home to many rare species of plants and animals. You can follow a marked trail accessible …

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Sand dunes at Pointe de Routhiauville

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The dunes of Pointe de Routhiauville are a vast, ever-changing landscape where the sea breeze shapes rolling hills of golden sand. As you explore, you will notice the diversity of …

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Frise Viewpoint

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The Frize mountain belvedere reveals a striking view of the meanders of the Somme, in a peaceful setting that contrasts with its past marked by the battles of the First …

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Cape Hornu

Highlight • Beach

At Cape Hornu you can enjoy a panoramic view of the bay and its wildlife. You can follow the path along the coast, passing by the Chapelle des Marins, a …

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Marquenterre Park Observatory

Highlight • Viewpoint

The observatory is a natural observatory that offers panoramic views of the sea, dunes and birds. The observatory is open all year round and is free. You can also enjoy …

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Extend your search for the best caves by checking out these guides of the top ones in Somme:

Pas-de-Calais Boulogne-Sur-Mer Abbeville Calais Oise Saint-Omer Lille Béthune Aisne Lens Douai Amiens Péronne Atrecht

The Top 20 Natural Monuments in Somme

Ault Chalk Cliffs

La Cise Cliff

Baie de Somme

The Hâble d'Ault Route

View of Onival Beach and the Ault Cliffs

Saint-Ladre Pond Nature Reserve

Sand dunes at Pointe de Routhiauville

Frise Viewpoint

Cape Hornu

Marquenterre Park Observatory

Other adventures in Somme

Most popular routes in Somme

Most popular attractions in Somme

Get inspired with the komoot mobile app

Explore more

Get ready to conquer new peaks

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