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Mountain biking trails

Authie Bay – The Pebble Bridge loop from Place du 11 Novembre

Routes

Mountain biking trails

Authie Bay – The Pebble Bridge loop from Place du 11 Novembre

Moderate

4.5

(11)

riders

Authie Bay – The Pebble Bridge loop from Place du 11 Novembre

02:08

34.7km

50m

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

1.94 km

The Grand Lake - Belle Dune

Highlight • Settlement

The car-free Ecological Holiday Park Belle Dune is located in a protected environment 2 km from the sea and is truly an oasis of peace. The holiday park consists of …

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5.49 km

Baie d'Authie

Highlight • Beach

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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13.3 km

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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13.8 km

Château d'Authie

Highlight • Castle

It is in the small village of Conchil-le-Temple that the castle of Pas d'Authie is erected. Towards the middle of the 19th century, Baron de Torcy Félix Moulart had a …

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19.4 km

Baie d'Authie

Highlight • Beach

The path for along the nature reserve

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22.3 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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23.9 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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25.5 km

Footbridge over the Authie

Highlight • Bridge

Uberquerung der Authie 💦

Crossing L’Authie 💦

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34.7 km

End point

Parking

Way Types & Surfaces

Way Types

10.9 km

10.3 km

6.21 km

4.87 km

2.30 km

< 100 m

Surfaces

16.0 km

9.11 km

4.79 km

4.34 km

434 m

Elevation

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

Weather

Friday 29 May

29°C

14°C

30 %

Additional weather tips

Max wind speed: 14.0 km/h

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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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Authie Bay – The Pebble Bridge loop from Place du 11 Novembre

The Grand Lake - Belle Dune

Baie d'Authie

The Stone Bridge

Château d'Authie

Baie d'Authie

Port of La Madelon

Baie d'Authie Nature Reserve

Footbridge over the Authie

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