Best natural monuments around Friaucourt are characterized by the dramatic coastal landscape of the Hauts-de-France region. This area is situated near the Opal Coast, featuring significant geological formations. The commune is a gateway to impressive chalk cliffs and diverse natural habitats. Visitors can explore a variety of natural monuments, from ancient geological sites to protected coastal areas.
Last updated: July 5, 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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The region around Friaucourt is renowned for its dramatic coastal landscape. Key natural monuments include the stunning La Cise Cliff, known for its white chalk cliffs overlooking the Bay of Somme, and the impressive Ault Chalk Cliffs, which mark the beginning of the Normandy Alabaster Coast and offer panoramic views of the English Channel.
The cliffs in this area, such as La Cise Cliff and the Ault Chalk Cliffs, are primarily composed of chalk from the Upper Cretaceous period, dating back 83 to 90 million years. You can clearly see subhorizontal stratification planes embedded with flint nodules, which serve as geological markers. The ratio is typically 90-95% chalk to 5-10% flint.
Yes, there are several hiking routes available. For instance, you can explore trails like the 'Lamotte Circuit' or the 'Ault Chalk Cliffs – Grand chemin côtier loop from Ault'. These routes offer moderate difficulty and allow you to experience the coastal scenery. You can find more details on hiking options in the area on the Hiking around Friaucourt guide.
Trails near the cliffs, such as those around La Cise Cliff and the Ault Chalk Cliffs, often involve walking along cliff edges. The terrain can be steep in places, and the limestone rock is subject to erosion, so caution is advised. Some paths may be gravel, especially near areas like The Hâble d'Ault Route.
Many areas around the natural monuments offer opportunities for family outings, especially for walks along the coast. While some cliff-edge paths require caution, there are generally accessible areas and viewpoints suitable for families to enjoy the scenery. Always check specific trail conditions for suitability with younger children.
Generally, dogs are permitted on many of the coastal paths and natural areas around Friaucourt, including near the cliffs. However, it is always recommended to keep dogs on a leash, especially near cliff edges and in protected natural habitats like the Hâble d'Ault, to ensure their safety and protect local wildlife.
The natural monuments can be visited year-round, but spring and autumn often offer pleasant temperatures for hiking and fewer crowds. Summer is popular for coastal activities, but can be busier. Winter visits can be dramatic, but weather conditions might be more challenging, especially on exposed cliff paths.
Yes, the area offers various cycling opportunities. You can find gravel biking routes like the 'Cliffs – Eastern end of Falaises d'Albâtre, Ault coastal panorama loop' or road cycling routes such as the 'Le Tréport Harbor – Ault Chalk Cliffs loop'. For more detailed information, refer to the Gravel biking around Friaucourt and Road Cycling Routes around Friaucourt guides.
The Ault Chalk Cliffs and the Cliffs of Ault are excellent locations for panoramic views of the English Channel. Additionally, the Viewpoint overlooking the cliffs of Le Tréport provides impressive vistas of the chalk cliffs stretching south.
The Hâble d'Ault Route refers to a unique wetland area near Ault, isolated from the sea by a pebble barrier. It's a significant natural habitat, historically shaped for waterfowl hunting, and now home to diverse bird species and rare pioneer habitats. It's an important site for nature observation and environmental protection.
Located further north from Friaucourt, the Bay of Somme is a large bay recognized for its extensive natural habitat and pristine beauty. It has been designated as a Regional Natural Park and is known for its commitment to environmental protection and sustainable development. It offers a wide array of wildlife and diverse landscapes, making it a significant natural attraction in the larger region.
At the Ault Chalk Cliffs, you can observe the distinct flint horizons, such as the 'Seven Sisters' band, which are important stratigraphic markers. The cliffs themselves stand at about 38 meters and are a dynamic landscape, receding by an average of 30 cm per year due to erosion, showcasing the raw power of nature.


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