Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: January 25, 2026

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Includes a segment in which cycling is not permitted

After 23.1 km for 139 m

Waypoints

Start point

Bus stop

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6.47 km

The Pebble Bridge

Highlight • Bridge

The Authie footbridge, inaugurated in April 2022, is a 52 meter long pedestrian and cycling structure which facilitates safe crossing of the Authie river. Connecting the departments of Somme and …

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10.4 km

Waben - Foraine d'Authie

Highlight • Other

Northern access to the old sand and gravel mines that created the large lakes today teeming with nature and wildlife. The site of the Foraine d'Authie is made up of …

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13.0 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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21.6 km

Seal Beach (Plage des Phoques), Berck-sur-Mer

Highlight • Beach

A few hundred meters from the Berck lighthouse, the seal beach is home to colonies of gray seals and sea calves. You can observe them at low tide, when the seals come to rest on the fine sand banks.

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21.6 km

Promenade du Professeur Jean Debeyre

Highlight (Segment) • Cycleway

Over 3 kilometres, the Promenade du Docteur Debeyre also offers the possibility of discovering the expanses of beaches of Berck-sur-Mer, in complete tranquility. La Promenade owes its name to Professor Jean Debeyre, head of the maritime hospital department.

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23.1 km

Berck Plage

Beach

23.6 km

Berck Beach

Highlight • Other

Very wide stretch of soft sand with colorful cabins and change rooms. The beach promenade has a separate lane for cyclists.

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35.7 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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36.1 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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44.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

30.2 km

9.21 km

4.41 km

288 m

< 100 m

Surfaces

24.8 km

18.1 km

845 m

475 m

Elevation

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

Weather

Wednesday 18 March

17°C

6°C

0 %

Additional weather tips

Max wind speed: 15.0 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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The Pebble Bridge

Waben - Foraine d'Authie

Port of La Madelon

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Berck Beach

Foraine d'Authie

Foraine d’Authie Observatory

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