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The Pebble Bridge – Authie Bay loop from Marquenterre

Routes

Hiking trails & Routes

The Pebble Bridge – Authie Bay loop from Marquenterre

Moderate

5.0

(2)

hikers

The Pebble Bridge – Authie Bay loop from Marquenterre

04:09

16.5km

10m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Last updated: May 15, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional Baie de Somme Picardie Maritime

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

Waypoints

Start point

Get Directions

885 m

Footbridge over the Authie

Highlight • Bridge

Uberquerung der Authie 💦

Crossing L’Authie 💦

Translated by Google •

Tip by

951 m

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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7.78 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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16.5 km

End point

Way Types & Surfaces

Way Types

7.50 km

6.47 km

1.28 km

990 m

249 m

Surfaces

10.0 km

2.88 km

1.59 km

1.31 km

693 m

Elevation

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

Weather

Today

Thursday 25 June

29°C

18°C

0 %

Additional weather tips

Max wind speed: 19.0 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 – Authie Bay loop from Marquenterre

Footbridge over the Authie

The Stone Bridge

Baie d'Authie

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