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France
Hauts-De-France
Montreuil

Groffliers

Attractions and Places To See around Groffliers - Top 20

Best attractions and places to see around Groffliers include a blend of natural beauty and historical landmarks situated at the mouth of the Authie River on the Côte d'Opale. The area features diverse landscapes, from dunes and beaches to wetlands and salt meadows. Groffliers offers opportunities for exploring preserved natural spaces and discovering sites with historical significance. This region provides a setting for outdoor activities and observing local wildlife.

Best attractions and places to see around Groffliers

  • The most popular attractions is Seal Beach (Plage des Phoques), Berck-sur-Mer, a beach that is home to colonies of gray seals and sea calves. These animals can be observed at low tide when they rest on the sandbanks.
  • Another must-see spot is The Pebble Bridge, a 52 meter long pedestrian and cycling structure. It facilitates safe crossing of the Authie river, connecting the departments of Somme and Pas-de-Calais as part of the Eurocyclo project.
  • Visitors also love Port of La Madelon, a former fishing port that evolved into a marina due to the siltation of Authie Bay. Today, it features a pontoon near a parking lot, offering a pleasant setting.
  • Groffliers is known for its natural features like beaches and dunes, as well as historical sites and opportunities for hiking and cycling. The area provides a variety of attractions to see and explore, from wildlife observation to architectural landmarks.
  • The attractions around Groffliers are appreciated by the komoot community, with more than 300 upvotes and 180 photos shared.

Last updated: June 23, 2026

The Stone Bridge

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The La passerelle de l'Authie, inaugurated in April 2022, is a 52-meter-long pedestrian and cycle structure that facilitates the safe crossing of the Authie river. Connecting the departments of Somme and Pas-de-Calais, it is part of the Eurocyclo project, which aims to enrich the cycling routes of the coast.

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A few hundred meters from the Berck lighthouse, the Phoques beach is home to colonies of grey seals and harbour seals. You can observe them at low tide, when the seals come to rest on the fine sandbanks.

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Port of La Madelon

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Once flourishing under the protection of Waben Castle, the port of Madelon, with its medieval Berck fishing fleet, evolved into a marina due to the siltation of Authie Bay. Today, it has become a simple pontoon near a parking lot, but the setting remains very pleasant and the site is worth the detour!

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Waben - Foraine d'Authie

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Northern access to the old sand and gravel mines that created the large lakes today teeming with nature and wildlife. The site of the Foraine d'Authie is made up of a series of bodies of water resulting from the former exploitation of glacial pebble deposits. This former quarry, in the process of being recolonized by the natural environment, has been the subject of recent developments for ornithological purposes (islets, mudflats, etc.), associated with the grazing of the meadows. These allow a large public to enjoy the discovery of the site and to admire the Spoonbills, Cormorants, Mediterranean Gulls, Avocets, Mergansers, etc., which have repopulated this natural space.

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Baie d'Authie

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Vast marine marshland, the Authie bay is home to remarkable fauna and flora. The wild landscapes are very diverse. They alternate between salt meadows, ponds and dunes.

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Doc
December 1, 2025, Baie d'Authie

Nice corner

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Doc
November 26, 2025, Port de la Madelon

The port of La Madelon is a marina located on the Authie, near its mouth at the bottom of the Bay of Authie[1]; the location of the port, in the place called "La Madelon", is shared between the communes of Waben and Groffliers, in the department of Pas-de-Calais.

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From the beautiful restaurant on the Bay of Authie, a narrow footpath leads past the small harbor of Madelon - and if the water is not too high, it even takes you the three kilometers to the bridge for pedestrians, cyclists and horse riders towards the Baie de la Somme.

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Beautiful foot, bicycle & horse bridge

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Very beautiful nature reserve, can be easily explored by gravel bike or MTB

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The seals are there from two hours before low tide until two hours after. It's practically the only place to see them up close without disturbing them. They feel protected by the Authie River, which flows between you and them. Elsewhere, you must maintain a distance of 300 meters.

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Def
April 10, 2025, Baie d'Authie

Hike with the difficulty of the dunes but very nice and beautiful.

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Those who love nature and seals should come here during low tide. It's worth it. Those who want to find out about tide times will find them here: https://de.tideschart.com/France/Hauts--de--France/Pas--de--Calais/Berck--Plage/

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Frequently Asked Questions

What natural attractions can I explore in Groffliers?

Groffliers offers a rich variety of natural landscapes. You can visit Seal Beach (Plage des Phoques), Berck-sur-Mer, known for its seal colonies. Explore the preserved natural spaces and rich biodiversity of Baie d'Authie, or walk along L'Allée des Roses, a path transitioning from white dunes to wetlands. The Foraine d'Authie, with its series of lakes, is another thriving natural habitat.

Are there opportunities for wildlife spotting in Groffliers?

Yes, Groffliers is excellent for wildlife observation. Seal Beach (Plage des Phoques), Berck-sur-Mer is home to colonies of gray seals and sea calves, visible at low tide. The Foraine d'Authie, a site of former sand and gravel quarries, has been developed for ornithological purposes and is teeming with various bird species like Spoonbills, Cormorants, and Avocets.

What historical sites are worth visiting in Groffliers?

Groffliers features several historical points of interest. The Port of La Madelon, once a flourishing medieval fishing port, offers a glimpse into the area's past. You can also admire the 14th-century western façade of Église Saint-Martin, a key historical site. While private, the impressive Château de la Mollière showcases 19th-century coastal architecture.

What activities are available for families in Groffliers?

Families can enjoy various activities in Groffliers. Seal Beach (Plage des Phoques), Berck-sur-Mer is a popular spot for observing seals and enjoying the beach. The Pebble Bridge provides a safe and scenic route for walking and cycling. The diverse natural environments, including dunes and salt meadows, offer opportunities for leisurely strolls and nature exploration.

What are the best outdoor activities or trails around Groffliers?

Groffliers and its surroundings are ideal for outdoor enthusiasts. You can find various trails for walking and cycling, such as 'Le Tour de Groffliers' and routes along L'Allée des Roses. For cycling, explore routes like 'Berck Beach – Seal Beach loop from Groffliers' or 'The Pebble Bridge – Cycle path loop from Berck'. You can find more details on these and other cycling routes in the Cycling around Groffliers guide.

Are there cycling routes near Groffliers' attractions?

Absolutely. The area around Groffliers is well-suited for cycling. The Pebble Bridge is a dedicated pedestrian and cycling structure, part of the Eurocyclo project to enhance coastal cycling routes. You can explore various routes, including those mentioned in the Cycling around Groffliers, Road Cycling Routes around Groffliers, and MTB Trails around Groffliers guides.

What is the best time of year to visit Groffliers for outdoor activities?

The Côte d'Opale region, including Groffliers, is generally pleasant for outdoor activities from spring through early autumn. These seasons offer milder weather, making it ideal for exploring beaches, dunes, and trails. Birdwatching at Foraine d'Authie is particularly rewarding during migration seasons.

Where can I observe seals near Groffliers?

The primary location for observing seals near Groffliers is Seal Beach (Plage des Phoques), Berck-sur-Mer. Here, colonies of gray seals and sea calves can be seen resting on the sandbanks at low tide. They are typically visible about fifty meters away, across the Authie River, where they feel safe.

What is the 'Pebble Bridge' and what is its significance?

The Pebble Bridge, also known as the Authie footbridge, is a 52-meter-long pedestrian and cycling structure inaugurated in April 2022. Its significance lies in providing a safe crossing over the Authie River, connecting the departments of Somme and Pas-de-Calais. It is an integral part of the Eurocyclo project, which aims to enhance coastal cycling routes.

What is the history of the Port of La Madelon?

The Port of La Madelon was historically a flourishing medieval fishing port, once under the protection of Waben Castle and hosting the Berck fishing fleet. Due to the silting of Authie Bay over time, it transformed into a marina. Today, it is a simple pontoon near a parking area, but it remains a pleasant site reflecting its rich past.

Are there any lesser-known spots or 'hidden gems' in Groffliers?

While not widely publicized, the L'Allée des Roses path offers a tranquil and diverse landscape, transitioning through different dune types and wetlands, and is home to nineteen species of butterflies. The Foraine d'Authie, with its ornithological developments, is another peaceful spot for nature lovers and birdwatchers, offering a unique natural habitat.

What do visitors particularly enjoy about the attractions around Groffliers?

Visitors to Groffliers particularly enjoy the blend of natural beauty and historical significance. The opportunity to observe seals at Seal Beach (Plage des Phoques), Berck-sur-Mer is a highlight. Many appreciate the scenic views from the Pebble Bridge and the pleasant setting of the Port of La Madelon. The diverse landscapes, from beaches and dunes to wetlands, also receive high praise for their natural appeal.

Are there walking trails suitable for beginners around Groffliers?

Yes, Groffliers offers several easy walking trails. The L'Allée des Roses features a 1.5 km loop that is suitable for leisurely strolls. Many paths along the dunes and mollières (salt meadows) are relatively flat and offer gentle walks, allowing visitors to appreciate the unique ecosystems without significant difficulty. The Pebble Bridge also provides an easy and scenic pedestrian route.

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