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France
Hauts-De-France
Abbeville

Fort-Mahon-Plage

The best walks and hikes around Fort-Mahon-Plage

4.2

(271)

2,149

hikers

48

hikes

Hiking trails around Fort-Mahon-Plage traverse a diverse coastal landscape situated between the Baie de Somme and the Baie d'Authie. The region features extensive sandy beaches, significant sand dune systems, and marshlands. These natural environments provide varied terrain for outdoor activities, including areas within the Parc naturel marin des Estuaires picards et de la mer d'Opale.

Best hiking trails around Fort-Mahon-Plage

  • The most popular hiking route is La mare du chalet motte — loop from Fort-Mahon-Plage in the Parc naturel marin des Estuaires picards et de la mer d'Opale, a 6.8 miles (10.9 km) moderate trail that takes 2 hours 46 minutes to complete. This route explores the protected natural marine park.
  • Another top favourite among local hikers is Authie Bay – Pointe de Routhiauville Beach loop from Fort-Mahon-Plage, an easy 3.2 miles (5.2 km) path. This trail offers views of the Authie Bay and the distinctive Pointe de Routhiauville dunes.
  • Local hikers also love the Sentier du Royon – Main lake of the holiday resort loop from Fort-Mahon-Plage, a 4.2 miles (6.8 km) trail leading through dunes and pine forests, often completed in about 1 hour 43 minutes.
  • Hiking around Fort-Mahon-Plage is defined by coastal paths, extensive sand dunes, and marshland environments. The network offers options for different ability levels, from easy beach walks to moderate trails through natural reserves.
  • The routes in Fort-Mahon-Plage are highly rated by the komoot community with an average score of 4.4 stars from over 230 reviews. More than 2000 hikers have used komoot to explore Fort-Mahon-Plage's varied terrain.

Last updated: May 12, 2026

4.4

(35)

138

hikers

#1.

La mare du chalet motte — loop from Fort-Mahon-Plage in the Parc naturel marin des Estuaires picards et de la mer d'Opale

10.9km

02:46

20m

20m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Popular around Fort-Mahon-Plage

Journey from Flanders to the Somme – GR 120 coastal path

Road Cycling Routes around Fort-Mahon-Plage

Running Trails around Fort-Mahon-Plage

Cycling around Fort-Mahon-Plage

MTB Trails around Fort-Mahon-Plage

Gravel biking around Fort-Mahon-Plage

Other adventures around Fort-Mahon-Plage

Journey from Flanders to the Somme – GR 120 coastal path

Hiking Collection by

Deki Fourcin

Tips from the Community

Doc
December 1, 2025, Baie d'Authie

Nice corner

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Thies
July 23, 2025, Wanderung im Wald

Beautiful hiking trail with seating

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Thies
July 23, 2025, Free Parking Lot

From there, the trail heads into the forest and then into the dunes. There are also rest areas and information panels.

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It might not look like it, but the beach is very long and wide, so definitely allow extra time.

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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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The endless expanse of the beach is simply amazing.

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The dunes of Pointe de Routhiauville are a vast, ever-changing landscape where the sea breeze shapes rolling hills of golden sand. As you explore, you will notice the diversity of flora adapted to coastal conditions, with grasses and wildflowers hiding among the dunes. As you walk through this part of the nature reserve, you will enjoy stunning views of the English Channel and spot seabirds nesting in the dunes.

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Fort Mahon Plage is a luxury seaside resort with a very extensive beach and is located in the middle of a protected dune area. You will find many restaurants, boutiques and also a casino here. Are you a nature lover? Then you will definitely get your money's worth here. More than 400 species of birds live in the Baie de Somme. There are also beautiful hiking areas in the area.

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Frequently Asked Questions

What types of landscapes can I expect to see while hiking around Fort-Mahon-Plage?

Hiking around Fort-Mahon-Plage offers a diverse coastal experience. You'll encounter vast sandy beaches, extensive sand dunes (including white, grey, and shrub dunes), and marshlands. The region is situated between the expansive Baie de Somme and the Baie d'Authie, providing unique natural environments for exploration.

How many hiking trails are available in the Fort-Mahon-Plage area?

There are over 50 hiking trails available around Fort-Mahon-Plage, catering to various fitness levels. These include easy beach walks, moderate trails through natural reserves, and a few more challenging routes.

Are there any easy hiking trails suitable for families or casual walkers?

Yes, Fort-Mahon-Plage has many easy trails. For example, the Authie Bay – Pointe de Routhiauville Beach loop from Fort-Mahon-Plage is an easy 5.2 km path offering views of Authie Bay and its distinctive dunes. Another easy option is the Sentier du Royon – Main lake of the holiday resort loop from Fort-Mahon-Plage, which is 6.8 km and takes you through dunes and pine forests.

What are some notable natural features or landmarks to look out for on the trails?

Along the trails, you can discover several interesting natural features. The Foraine d’Authie Observatory offers great viewpoints. You might also encounter lakes such as La Mare du Chalet Motte or the Main lake of the holiday resort. The extensive sand dunes, particularly around Pointe de Routhiauville, are a defining characteristic of the coastal landscape.

Are there any longer or more challenging hikes for experienced trekkers?

For those seeking a longer challenge, the Quend Plage les Pins – Plage du Marquenterre loop from Fort-Mahon-Plage is a difficult 20.2 km route. This trail offers an extensive exploration of the coastal area, including the Plage du Marquenterre.

Can I observe wildlife while hiking in Fort-Mahon-Plage?

Yes, the region is rich in biodiversity. The proximity to the Baie de Somme and the Parc du Marquenterre means you have opportunities for wildlife observation, especially migratory birds. The Baie de Somme is also known for its seals, which can sometimes be spotted during guided excursions.

What do other hikers say about the trails in Fort-Mahon-Plage?

The hiking routes in Fort-Mahon-Plage are highly rated by the komoot community, with an average score of 4.4 stars from over 230 reviews. Hikers often praise the diverse coastal paths, the beauty of the sand dunes, and the tranquil marshland environments.

Are there any circular hiking routes available?

Many of the trails around Fort-Mahon-Plage are designed as loops, offering convenient circular routes. Examples include the La mare du chalet motte loop and the Authie Bay – Fort-Mahon-Plage Beach loop, both providing varied scenery without retracing your steps.

What is the best time of year to go hiking in Fort-Mahon-Plage?

Fort-Mahon-Plage is enjoyable for hiking throughout much of the year. Spring and autumn offer pleasant temperatures and fewer crowds, ideal for exploring the dunes and coastal paths. Summer is popular for beach activities, but can also be good for early morning or late afternoon hikes. Winter can be invigorating for walks along the expansive beaches, though some facilities might have reduced hours.

Are there any specific trails that go through protected natural areas?

Yes, several routes traverse protected natural areas. For instance, the La mare du chalet motte loop is located within the Parc naturel marin des Estuaires picards et de la mer d'Opale, offering a chance to explore this preserved marine park.

What other outdoor activities can be combined with hiking in Fort-Mahon-Plage?

Beyond hiking, Fort-Mahon-Plage is a hub for various outdoor pursuits. You can enjoy sand yachting, kitesurfing, windsurfing, sea kayaking, and stand-up paddleboarding. Horseback riding along the beach or through the dunes is also popular, and there are cycling paths, such as the one leading to Pointe du Hourdel.

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