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Hauts-De-France

Port of La Madelon – The Stone Bridge loop from Groffliers

Hauts-De-France

Port of La Madelon – The Stone Bridge loop from Groffliers

Easy

4.0

(1)

2

riders

Port of La Madelon – The Stone Bridge loop from Groffliers

01:52

30.8km

110m

Gravel riding

Easy gravel 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: August 21, 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

A

Start point

Parking

1

1.23 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, …

Translated by Google •

Tip by

2

3.36 km

Path Between the Fields

Highlight • Trail

3

5.46 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 …

Showing Translation

Tip by

4

5.52 km

Footbridge over the Authie

Highlight • Bridge

Uberquerung der Authie 💦

Crossing L’Authie 💦

Translated by Google •

Tip by

5

5.90 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 …

Translated by Google •

Tip by

6

29.3 km

Well-Maintained Bike Path

Highlight • Cycleway

Wide cycle path separated by green strips that leaves nothing to be desired.

Translated by Google •

Tip by

7

29.7 km

New Cycle Path

Highlight • Cycleway

8

30.0 km

Pont Fleury

Highlight • Bridge

B

30.8 km

End point

Parking

Way Types & Surfaces

Way Types

11.7 km

10.5 km

6.69 km

1.73 km

111 m

< 100 m

< 100 m

Surfaces

10.6 km

10.1 km

6.06 km

3.99 km

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Elevation

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

Highest point (60 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Tuesday 13 October

18°C

9°C

0 %

Additional weather tips

Max wind speed: 15.0 km/h

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