Best natural monuments around Saint-Tricat are situated within the Parc Naturel Régional des Caps et Marais d'Opale, a diverse region spanning between Calais, Boulogne-sur-Mer, and Saint-Omer. This area features a range of natural sites, including dramatic chalk cliffs, extensive sand dunes, and unique marshlands. The landscape offers varied terrain for exploration, from coastal paths to inland waterways. It is known for its ecological significance and distinctive geological formations.
Last updated: May 6, 2026
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The rocks, with their cracks and small caves in the calcareous wall, provide an important nesting site for numerous bird species such as jackdaws, house martins, fulmars, kestrels, gulls, terns and herring gulls. As part of a renaturation project in 2006, a section of the asphalt road leading to the summit and the parking spaces there were completely removed. Instead, a parking lot about 300 meters inland was significantly expanded.
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The obelisk crowns a 133-meter-high ensemble on a pedestal that can be seen from afar. It is THE landmark to reach to enjoy a 360° panorama from the top of the cliffs of Cap Blanc Nez. When the German army took possession of the Opal Coast in May 1940, this monument was immediately destroyed. The current Dover Patrol dates from the early 1960s. The last restoration took place in 2007. Source: https://www.calaisxxl.com/de/offres/a-voir-a-faire/monument-a-la-dover-patrol/
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The Cap Blanc-Nez War Memorial (Dover Patrol Monument) is a major war memorial erected on the cliffs of Cap Blanc-Nez, near Sangatte. It honours the British naval forces and the Dover Patrol, a key unit of the Royal Navy that secured the Straits of Dover during the First and Second World Wars.
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Excavations carried out before the construction of a car park on Mont d'Hubert, near Cap Blanc Nez (Pas-de-Calais), have uncovered the remains of a Middle Neolithic camp (4,200 to 3,800 years before our era). The camp, covering three hectares, surrounded by a ditch and visible from more than thirty kilometers away, has yielded remains of animal and human bones, ceramics and flints. Source: https://www.inrap.fr/un-camp-neolithique-de-hauteur-proche-du-cap-blanc-nez-escalles-1349
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The Petit Blanc-Nez is a highlight on the Sentier des Douaniers (GR 120), a coastal hiking trail that runs along the French coast.
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The Petit Blanc-Nez is a cliff in the Pas-de-Calais region and is part of the Deux-Caps (Two Capes) area, which also includes Cap Gris-Nez. Both are part of the protected area classified as a Grand Site de France and offer breathtaking views of the English Channel and, on a clear day, the English coast.
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The bomb holes in the surrounding pastures still bear witness to the English bombings, particularly around Mont d'Hubert. Wild orchids abound in these vast limestone meadows... perhaps you will meet the Boulogne sheep in charge of maintaining these protected areas? As part of the implementation of the NATURA2000 objectives document, this itinerant sheep grazing is carried out each year from May to October. The EAFRD, by financing the shepherd position, allows 600 sheep to roam all of the lawns to restore natural habitats.
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The region around Saint-Tricat, within the Parc Naturel Régional des Caps et Marais d'Opale, offers several highly-rated natural monuments. Among the most popular are Cape Blanc-Nez, known for its majestic white chalk cliffs and panoramic views, and the View from Mont d'Hubert, which provides expansive vistas of the surrounding landscape. Visitors also frequently enjoy Cran d'Escalles, a beautiful beach and natural monument offering views of the English Channel.
The area is incredibly diverse, featuring dramatic white chalk cliffs at Cap Blanc-Nez and gray sandstone cliffs at Cap Gris-Nez. You can also explore extensive sand dunes at the Dunes de la Slack, and the unique labyrinth of waterways and small islands in the Audomarois Marshes. The landscape includes beaches, forests, and marshy areas, supporting a rich variety of flora and fauna.
Yes, the region is excellent for hiking. Coastal paths like the GR120 offer varied landscapes between sea and countryside, particularly around Les Deux-Caps. The Dunes de la Slack also feature several marked walking routes. For more specific routes, you can explore the hiking guide for Saint-Tricat, which includes trails like the 'Marsh Cycle Route loop from Coulogne' and 'Canal de Calais à Guines – Canal du Haut Banc loop from Coulogne'.
Many of the natural monuments are family-friendly. Cape Blanc-Nez, for instance, is listed as family-friendly and offers open spaces for exploration and stunning views. The Dunes de la Slack provide ample space for walks and beach activities, while the Audomarois Marshes offer unique boat tours that can be an engaging experience for children.
The most prominent geological features are the cliffs of Les Deux-Caps. Cap Blanc-Nez is characterized by its striking white chalk cliffs, reaching 134 meters. Its counterpart, Cap Gris-Nez, features gray sandstone and marl cliffs, with formations dating back 150 million years to the Jurassic period. The Dunes de la Slack showcase extensive sand dune formations.
Absolutely. The area combines natural beauty with significant historical context. For example, Cap Blanc-Nez and Mont d'Hubert have historical significance, with remains from World War II visible and evidence of Neolithic camps. The Dover Patrol Monument on Cap Blanc-Nez is a major war memorial commemorating British naval forces.
The Audomarois Marshes, located near Saint-Omer, are a UNESCO-listed wetland and the last cultivated marshland in France. This unique labyrinth of waterways and small islands, shaped by human activity since the 12th century for market gardening, spans 3700 hectares. It boasts exceptional biodiversity, supporting over 230 bird species and 50% of the region's aquatic flora. Visitors can explore it by traditional boat, on foot, or by bike.
For extensive sand dunes, head to the Dunes de la Slack nature reserve, situated between Wimereux and Ambleteuse. This area encompasses over 200 hectares of vast sand dunes, along with beaches, forests, and marshy areas. It's an ideal spot for nature lovers and hikers, offering diverse ecosystems and opportunities for long walks along the beach.
The natural monuments are beautiful year-round, but the best time to visit generally depends on your preferred activities. Spring and summer (April to September) offer pleasant weather for hiking, beach activities, and boat tours in the marshes. Birdwatching is particularly rewarding during migratory seasons in spring and autumn. Clear days are best for panoramic views across the English Channel from Les Deux-Caps.
Yes, the region is a haven for birdwatchers. Cap Blanc-Nez provides important nesting sites for various bird species like jackdaws, fulmars, and gulls. Cap Gris-Nez is renowned for birdwatching, especially during migratory seasons. The Audomarois Marshes also boast exceptional biodiversity, supporting over 230 bird species, making it a prime location for observing aquatic flora and fauna.
The duration of your visit can vary. For a quick stop at a viewpoint like Cap Blanc-Nez or Mont d'Hubert, an hour or two might suffice. However, to fully experience areas like Les Deux-Caps, including hiking coastal paths, you could easily spend half a day or more. Exploring the Dunes de la Slack or taking a guided boat tour in the Audomarois Marshes could also fill several hours.
Yes, on clear days, you can enjoy spectacular views of the English coast, including the iconic White Cliffs of Dover, from Les Deux-Caps. Both Cap Blanc-Nez and Cran d'Escalles offer these breathtaking panoramic vistas across the English Channel.


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