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Port of La Madelon – The Pebble Bridge loop from Groffliers

Routes

Bike touring routes & trails

Port of La Madelon – The Pebble Bridge loop from Groffliers

Easy

5.0

(1)

riders

Port of La Madelon – The Pebble Bridge loop from Groffliers

01:16

14.8km

20m

Cycling

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 25, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

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

Parc naturel régional Baie de Somme Picardie Maritime

Waypoints

Start point

Parking

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1.15 km

North Authie Bay

Highlight • Other

North side of the beautiful bay of Authie. Less known but just as beautiful as the south side... and less touristic.

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3.57 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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5.55 km

Authie Bay

Highlight • Other

This is the little sister of the Baie de Somme, classified as a Grand Site de France. You will see a genetic similarity when you walk/cycle along the Baie d’Authie! …

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6.87 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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6.94 km

Footbridge over the Authie

Highlight • Bridge

Uberquerung der Authie 💦

Crossing L’Authie 💦

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7.31 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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9.14 km

Path Between the Fields

Highlight • Trail

14.8 km

End point

Parking

Way Types & Surfaces

Way Types

6.78 km

4.65 km

1.89 km

1.19 km

252 m

< 100 m

Surfaces

11.4 km

2.01 km

1.06 km

271 m

Elevation

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

Weather

Thursday 28 May

24°C

17°C

0 %

Additional weather tips

Max wind speed: 13.0 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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Port of La Madelon – The Pebble Bridge loop from Groffliers

North Authie Bay

Port of La Madelon

Authie Bay

The Stone Bridge

Footbridge over the Authie

Château d'Authie

Path Between the Fields

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