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Mountain biking trails

The Pebble Bridge – Port of La Madelon loop from Fort-Mahon-Plage

Routes

Mountain biking trails

The Pebble Bridge – Port of La Madelon loop from Fort-Mahon-Plage

Moderate

4.5

(23)

riders

The Pebble Bridge – Port of La Madelon loop from Fort-Mahon-Plage

02:23

43.5km

60m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: May 13, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional Baie de Somme Picardie Maritime

Parc naturel marin des Estuaires picards et de la mer d'Opale

Waypoints

Start point

Parking

Get Directions

6.45 km

The Stone Bridge

Highlight • Bridge

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 …

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14.7 km

Baie d'Authie

Highlight • Beach

The path for along the nature reserve

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20.3 km

Opale Karting

Highlight • Structure

The karting starts the quiet “chemin des mottes et du Royon”, heading towards Groffliers through the pastures!

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24.5 km

Plage des Phoques, Berck-sur-Mer

Highlight • Beach

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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25.8 km

Hôpital Maritime

Highlight • Other

33.8 km

Port of La Madelon

Highlight • River

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, …

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35.3 km

Baie d'Authie Nature Reserve

Highlight • Natural

The path for along the nature reserve

Le chemin pour le long de la reserve naturelle

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37.0 km

Footbridge over the Authie

Highlight • Bridge

Uberquerung der Authie 💦

Crossing L’Authie 💦

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43.5 km

End point

Parking

Way Types & Surfaces

Way Types

24.0 km

9.28 km

4.08 km

3.45 km

2.61 km

< 100 m

Surfaces

24.4 km

10.6 km

7.87 km

667 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Wednesday 24 June

37°C

21°C

-- %

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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The Pebble Bridge – Port of La Madelon loop from Fort-Mahon-Plage

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The Pebble Bridge – Port of La Madelon loop from Fort-Mahon-Plage

The Stone Bridge

Baie d'Authie

Opale Karting

Plage des Phoques, Berck-sur-Mer

Hôpital Maritime

Port of La Madelon

Baie d'Authie Nature Reserve

Footbridge over the Authie

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