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Port of La Madelon – The Pebble Bridge loop from Groffliers

Port of La Madelon – The Pebble Bridge loop from Groffliers

Moderate

5.0

(7)

riders

Port of La Madelon – The Pebble Bridge loop from Groffliers

02:47

53.1km

70m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Last updated: May 15, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 28.0 km for 822 m

After 33.9 km for 1.64 km

Waypoints

Start point

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1.16 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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5.03 km

Foraine d'Authie

Highlight • Other

The site of the Foraine d'Authie is made up of a series of bodies of water resulting from the exploitation of old ridges of pebbles. This former quarry, in the …

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5.41 km

Bird Watching Hide

Highlight • Structure

A resting place to have a drink and watch birds

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5.42 km

Foraine d’Authie Observatory

Highlight • Viewpoint

The Foraine d’Authie site is made up of a series of bodies of water resulting from the exploitation of old pebble cords. This former quarry, in the process of being …

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6.85 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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16.5 km

Quend-Plage les Pins Chapel

Highlight • Other

This chapel is located in Quend, near Fort-Mahon. Simple but very beautiful, it has beautiful, very colorful stained glass windows. The stained glass windows are the work of the Abbeville …

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45.8 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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51.6 km

Well-Maintained Bike Path

Highlight • Cycleway

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

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53.1 km

End point

Way Types & Surfaces

Way Types

26.8 km

18.1 km

3.05 km

2.65 km

2.46 km

Surfaces

24.7 km

23.8 km

2.87 km

1.74 km

< 100 m

Elevation

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

Weather

Tuesday 19 May

17°C

11°C

39 %

Additional weather tips

Max wind speed: 25.0 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

Port of La Madelon

Foraine d'Authie

Bird Watching Hide

Foraine d’Authie Observatory

Château d'Authie

Quend-Plage les Pins Chapel

The Stone Bridge

Well-Maintained Bike Path

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