4.3
(612)
4,286
hikers
20
hikes
Hiking around Groffliers offers diverse landscapes at the mouth of the Authie River on the Côte d'Opale. The region is characterized by extensive dunes and sandy beaches, providing coastal walks with unique ecological features. Inland, wetlands and salt meadows offer preserved natural spaces for observing local wildlife. Authie Bay forms a dynamic environment where land and sea meet, shaping the terrain for exploration.
Last updated: May 12, 2026
4.5
(35)
136
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.6
(13)
56
hikers
6.06km
01:32
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.7
(12)
51
hikers
10.3km
02:36
10m
10m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
24
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
7
hikers
6.36km
01:36
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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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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Beautiful, quiet stretch of coast with few tourists.
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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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Very beautiful nature reserve, can be easily explored by gravel bike or MTB
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Remains of a bunker position of the Atlantic Wall. Also preserved are the remains of an ammunition bunker and parts of wire entanglements used to secure the dune entrances.
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Groffliers offers a diverse range of landscapes, from extensive dunes and sandy beaches along the coast to tranquil wetlands and salt meadows further inland. The dynamic environment of the Authie Bay, where the river meets the sea, also provides unique scenery. You'll find opportunities for coastal walks, wildlife observation, and exploring preserved natural spaces.
Yes, there are over 20 hiking trails around Groffliers, catering to various preferences. The majority of these, about 16, are rated as easy, while 5 are moderate. This variety ensures options for different ability levels, from leisurely strolls to more challenging coastal paths.
The hiking trails in Groffliers are highly regarded by the komoot community, boasting an average rating of 4.4 stars from nearly 600 reviews. Hikers frequently praise the varied terrain, from sandy beaches to wetlands, and the opportunities for wildlife observation, especially seals.
Absolutely. Many trails in Groffliers are suitable for families and beginners. An excellent easy option is the La Madelon – Authie Bay – Port de la Madelon loop from Groffliers, which is 6.1 km long and explores the historic Port de la Madelon and Authie Bay area. Another easy route is the New Cycle Path – Port of La Madelon loop from Groffliers, covering 6.3 km.
Yes, Groffliers is an excellent location for wildlife observation. The preserved natural spaces, including the wetlands and coastal areas like Seal Beach (Plage des Phoques) near Berck-sur-Mer, offer opportunities to see various species. You might spot colonies of gray seals and sea calves resting on sandbanks at low tide, especially on coastal routes.
Yes, many of the popular routes around Groffliers are circular. For example, the moderate View of the Baie de Authie – Seal sandbank at Berck-sur-Mer loop from Groffliers is a 13.1 km trail offering coastal views and seal observation. Another great circular option is the View of the Baie de Authie – Beautiful stretch of coast loop from Groffliers, which is 9.7 km.
Groffliers and its surroundings offer several points of interest. You can walk across The Pebble Bridge, a pedestrian and cycling structure connecting the Somme and Pas-de-Calais departments. The historic Port of La Madelon is also a pleasant spot to explore. Additionally, you can visit the Foraine d’Authie Observatory for scenic views.
Groffliers is known for its extensive coastline, offering numerous coastal walks and beach hikes. Trails often lead along sandy beaches and through dunes, providing expansive views of the English Channel and the Authie Bay. The Berck-sur-Mer Beach – Seal sandbank at Berck-sur-Mer loop from Groffliers is a longer coastal option at 15.5 km.
The region's coastal nature means hiking can be enjoyable for much of the year. Spring and autumn offer pleasant temperatures and fewer crowds, ideal for exploring the dunes and wetlands. Summer is popular for beach walks, though it can be busier. Winter hikes can be invigorating, especially for observing seals at low tide, but be prepared for cooler, potentially windier conditions.
Beyond the dynamic Authie Bay itself, you can explore the sand dunes at Pointe de Routhiauville, which are a significant natural feature. The preserved wetlands and salt meadows also offer unique ecological characteristics and are home to diverse flora and fauna.
Hiking durations vary depending on the trail and your pace. Easy routes, like the 6.1 km La Madelon – Authie Bay – Port de la Madelon loop, can take around 1 hour 30 minutes. Moderate trails, such as the 13.1 km View of the Baie de Authie – Seal sandbank at Berck-sur-Mer loop, typically require about 3 hours 20 minutes to complete.


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