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Baie d'Authie – The Stone Bridge loop from Rang-du-Fliers

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Bike touring routes & trails

Baie d'Authie – The Stone Bridge loop from Rang-du-Fliers

Moderate

4.4

(84)

432

riders

Baie d'Authie – The Stone Bridge loop from Rang-du-Fliers

02:01

35.6km

50m

Cycling

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: June 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

Start point

Bus stop

Get Directions

6.30 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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6.84 km

Gravel mining in Foraine d'Authie

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Here you still see active exploitation of sand and gravel pits, an industry that created the large lakes today teeming with nature and wildlife. Given the value of the reserve …

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8.02 km

Foraine d'Authie

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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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9.83 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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10.2 km

Footbridge over the Authie

Highlight • Bridge

Uberquerung der Authie 💦

Crossing L’Authie 💦

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18.5 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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26.8 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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28.6 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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35.6 km

End point

Bus stop

Way Types & Surfaces

Way Types

15.8 km

9.72 km

8.94 km

1.10 km

102 m

Surfaces

28.6 km

5.51 km

525 m

524 m

505 m

Elevation

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

Weather

Saturday 4 July

22°C

16°C

0 %

Additional weather tips

Max wind speed: 20.0 km/h

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Comments

July 8, 2023,De Betck à Fort Mahon plage et retourner

Only cycle paths (at @95%). There is a wild side to discover... nice walk

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Baie d'Authie – The Stone Bridge loop from Rang-du-Fliers

Waben - Foraine d'Authie

Gravel mining in Foraine d'Authie

Foraine d'Authie

Château d'Authie

Footbridge over the Authie

Baie d'Authie

The Stone Bridge

Foraine d’Authie Observatory

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