Natural monuments around Ault are characterized by a dramatic coastal landscape. The area features impressive maritime chalk cliffs that stretch for several kilometers, forming a significant natural boundary. Ault is also part of the Parc naturel régional Baie de Somme - Picardie maritime, offering diverse natural attractions. Visitors can explore 16 natural monuments in this region.
Last updated: June 20, 2026
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you don't have to take the cliff top path on the last stretch to Treport funicular
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Above the cliffs of Le Treport there is a great view over the city, the sea and the cliffs of Mers-les-Bains.
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The cliffs are made of chalk and are impressive to look at.
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Here in Ault begin the chalk cliffs, which stretch all the way to Normandy and repeatedly appear as enormous cliffs.
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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 years ago). They are strewn with flint nodules which highlight the subhorizontal stratification planes (the formation of flint has already been discussed in Discovery of the geology of the cliffs of Étretat, presentation of an excursion from the beach of Tilleul (Antifer) to the Porte d'Amont (Étretat Nord)). The relative proportion of chalk and flint is around 90-95% chalk to 5-10% flint. Flint horizons are stratigraphic markers. On the cliffs of Ault, the regular flint band called Seven Sisters is recognizable and characterizes the boundary between the Middle Coniacian and the Upper Coniacian (around 87 million years ago). The boundary between the lower and middle Coniacian is marked by the Shoreham 2 marl level, which is more difficult to identify. These lithostratigraphic markings allow in particular the correlation of distant deposits, such as between the Normandy and Picardy coasts, or between the French and English coasts.
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A green setting in the heart of the cliffs, classified as a picturesque area since 1959. The Bois de Cise is an exceptional natural area, a small natural forest, originally wild and abandoned, which became a famous seaside resort during the Belle Époque under the leadership of a visionary who stopped at nothing. This coastal forest was originally a wild forest and a hunting ground in the Middle Ages. At the end of the 19th century, the Bois de Cise was sold off in lots on the initiative of a property developer and became a famous seaside resort of the Belle Époque. Today, it is a charming holiday and walking area that is best explored on foot via the narrow paths and wooden steps that crisscross the area. Very beautiful villas bear witness to the prosperous years before the First World War. Don't forget to go to the panorama, like Victor Hugo in his time, a fantastic viewpoint from which you can see the mouth of the Bay of Somme.
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The natural monuments around Ault are primarily characterized by dramatic maritime chalk cliffs. These cliffs, such as La Cise Cliff and Ault Chalk Cliffs, are composed of chalk from the Upper Cretaceous period, often strewn with flint nodules. These geological formations provide insights into different epochs, with visible stratification planes and specific flint bands acting as stratigraphic markers.
While the guide doesn't specify individual wildlife species, the region is part of the Parc naturel régional Baie de Somme - Picardie maritime, which is known for its rich biodiversity. Coastal areas and regional natural parks typically host various bird species, marine life, and unique flora adapted to the cliffside environment. Keep an eye out for seabirds along the cliffs and potentially smaller mammals or insects in the protected areas like the Bois de Cise.
The natural monuments around Ault offer impressive coastal views and opportunities for walks that can be enjoyed by families. While some cliff paths can be steep, areas like the sandy beach at low tide near Ault Chalk Cliffs can be suitable for families. Exploring the Bois de Cise, a green setting overlooking the English Channel, also provides a pleasant natural environment.
The area around Ault is excellent for various outdoor activities. You can enjoy hiking along the coastal trails, with options ranging from easy to moderate, such as the 'Lamotte Circuit' or the 'Ault Chalk Cliffs – Grand chemin côtier loop'. Cycling is also popular, with routes like the 'Nature reserve coastal trail' or 'Architecture balnéaire – Cliffs loop'. For more details on routes, you can explore the hiking guide or cycling guide for Ault.
Yes, there are several hiking trails that allow you to explore the dramatic chalk cliffs. For instance, you can follow paths that lead to La Cise Cliff, offering scenic and exhilarating hikes with panoramic views. The 'Ault Chalk Cliffs – Grand chemin côtier loop' is another option. Be aware that some passages can be steep, and the limestone rock is subject to erosion. Always check the hiking guide for Ault for detailed route information and difficulty levels.
The coastal natural monuments around Ault can be visited year-round, but each season offers a different experience. Spring and summer provide pleasant weather for hiking and enjoying the beaches, with wildflowers blooming. Autumn can offer beautiful light conditions, as noted by visitors to the Cliffs of Ault. Winter visits can be dramatic, with powerful seascapes, though weather conditions might be more challenging. Always check local forecasts before your visit.
Given the coastal environment and potential for hiking, it's advisable to wear comfortable, sturdy walking shoes or hiking boots, especially if you plan to explore the cliff paths where terrain can be uneven and steep. Layers of clothing are recommended to adapt to changing weather conditions, as coastal areas can be windy. A waterproof jacket is also a good idea, regardless of the season, due to the proximity to the sea.
The accessibility of natural monuments around Ault varies. While some viewpoints might be easily reachable, many of the cliff paths, such as those near La Cise Cliff, involve steep passages and uneven terrain due to erosion, making them challenging for individuals with limited mobility or those using wheelchairs. It's best to research specific locations and trails beforehand to determine their suitability.
Ault is renowned for its spectacular panoramic views. The Cliffs of Ault offer expansive vistas of the Bay of Somme to the north and cliffs stretching west. The Viewpoint overlooking the cliffs of Le Tréport also provides impressive perspectives of the chalk walls to the south. Many points along the coastal trails offer breathtaking scenes of the English Channel and the Picardy coastline.
The duration of your visit depends on how many natural monuments you wish to explore and what activities you plan to do. A quick stop at a viewpoint might take an hour, while a hike along the cliffs or exploring a specific area like the Bois de Cise could take half a day. If you plan to combine several sites with a longer hike or cycling route, you could easily spend a full day or even multiple days discovering the region's natural beauty.
The White cliffs near Criel Plage are particularly impressive because they are among the highest cliffs in Europe, reaching up to 106 meters. These majestic chalk and flint formations frame the Criel pebble beaches and offer a magnificent spectacle, especially at sunset when they take on beautiful pink highlights. They are a significant part of the Côte d'Albâtre's geological grandeur.
Absolutely. The area around Ault offers excellent cycling opportunities, including routes that pass by or offer views of the natural monuments. You can find options for touring bicycles, such as the 'Nature reserve coastal trail', and road cycling, like the 'Le Tréport Harbor – Ault Chalk Cliffs loop'. For detailed routes and difficulty levels, consult the cycling guide or the road cycling guide for Ault.


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