Best natural monuments around Marquise, a town in the Pas-de-Calais department of France, offer diverse landscapes along the Opal Coast. This region features varied dune areas, impressive white and grey cliffs, and expansive sandy beaches. These significant natural sites provide opportunities for hiking and nature observation. The area is part of the Parc naturel régional des Caps et marais d'Opale.
Last updated: July 31, 2026
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the rocks of the Gris-Nez are being loosened by rain and sea.
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Small beach near the famous restaurant "La Sirène".
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Incredibly beautiful paths - partly on wooden planks, partly through fine sand. A small, hidden natural paradise that can be wonderfully explored on a circular hike.
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From here, when the weather is clear, you have a wonderful view over England with its chalk coast. You should bring binoculars and a good telephoto lens with you.
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The Pointe de la Courte Dune is a beautiful location on the Opal Coast, near the town of Wissant. GR 120: The GR trail (Grande Randonnée) runs along the edge of the chalk cliffs and offers spectacular views of the sea.
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Dunes de la Slack is a beautiful nature reserve on the Opal Coast, between Wimereux and Ambleteuse. The area is named after La Slack, a river that flows through the dunes and flows into the sea at Fort d'Ambleteuse. The area is ideal for hikers and nature lovers. There are several walking routes available, including the 'La Baie de Saint-Jean' walk, which partly coincides with the GR120 du Littoral. The dunes are a varied dune area of the Parc naturel régional des Caps et marais d'Opale.
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Family-friendly walk through a vulnerable dune area near the Slack river. Not suitable for wheelchairs. The route is well marked. The dunes themselves are not accessible due to their fragile nature, so you are obliged to follow the provided paths. The stretch of beach between Ambleteuse and Wimereux is impressive.
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Viewpoint with a great view over the Bay of Wissant. The little detour is worth it!
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Among the most popular natural monuments are the Dunes of the Slack, known for their varied dune landscapes and walking routes. Visitors also highly appreciate the panoramic views from Cape Gris-Nez, where you can often see the White Cliffs of Dover on a clear day.
Yes, several natural monuments are suitable for families. The Dunes of the Slack offer designated paths through unique ecosystems, and Wissant Beach, located between Cap Blanc-Nez and Cap Gris-Nez, has shallow pools at low tide, making it safe for children to swim. Both Cape Gris-Nez and Cap Blanc-Nez are also considered family-friendly for their scenic views and walking opportunities.
The region around Marquise, part of the Opal Coast, offers a diverse range of natural features. You can explore varied dune landscapes at the Dunes of the Slack, impressive white cliffs at Cap Blanc-Nez, and the distinct grey sandstone and clay cliffs of Cape Gris-Nez. Expansive sandy beaches, such as Wissant Beach, are also prominent.
The area around Marquise is excellent for various outdoor activities. You can enjoy hiking and nature observation in the Dunes of the Slack. For cycling enthusiasts, there are numerous routes, including gravel biking and touring bicycle options. Explore routes like the 'Deux Caps Cycle Path' or 'Fort d'Ambleteuse – View of Wissant Bay loop'. You can find more details on these activities in the gravel biking guide, running trails guide, and cycling guide for Marquise.
Yes, hiking is a popular activity. The Dunes of the Slack feature several walking routes, including the 'La Baie de Saint-Jean' walk, which partially aligns with the GR120 du Littoral. The paths here are varied, with some sandy sections and others on wooden planks. The cliffs of Cape Gris-Nez and Cap Blanc-Nez also offer coastal paths with stunning views.
The terrain varies significantly. At the Dunes of the Slack, you'll find a mix of sandy paths through dunes and forests, with some sections featuring wooden planks. The Capes, such as Cape Gris-Nez and Cap Blanc-Nez, involve walking along cliff edges and coastal paths, which can include some hills and uneven surfaces. Wissant Beach offers a vast expanse of fine sand, ideal for leisurely strolls.
Yes, wildlife spotting is possible. Cap Gris-Nez is a significant crossing point for many species of migratory birds, making it an excellent spot for birdwatching. The Dunes of the Slack are a nature reserve with a unique ecosystem, offering opportunities to observe local flora and fauna.
Yes, some natural monuments have historical significance. The Cap Gris-Nez Lighthouse, located near Audinghen, is a listed building with a history dating back to 1861, rebuilt after WWII. Additionally, the Town Motte, a high point near Wissant, once housed a medieval castle and offers panoramic views of the region.
Visitors frequently praise the breathtaking panoramic views, especially from Cap Gris-Nez Lighthouse and Viewpoint, where on clear days, the English coast is visible. The varied landscapes of the Dunes of the Slack and the wild beauty of the coastal paths are also highly appreciated for hiking and nature observation.
While specific seasonal recommendations aren't provided, the natural monuments along the Opal Coast are generally enjoyable in good weather. Spring and summer offer pleasant conditions for hiking, beach activities, and clear views from the capes. Autumn can be excellent for birdwatching at Cap Gris-Nez due to migratory patterns.
For beginners, the designated paths within the Dunes of the Slack offer relatively easy walking routes through varied landscapes. While some areas are fragile and restricted, the main trails provide accessible options to explore the unique dune ecosystem. Strolling along Wissant Beach is also a very easy and pleasant option.
For impressive coastal views, head to Cape Gris-Nez or Cap Blanc-Nez. Both offer stunning panoramas of the English Channel and the dramatic cliffs. From Cap Gris-Nez Lighthouse and Viewpoint, you can often see the White Cliffs of Dover on a clear day, making it a particularly rewarding spot.


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