Baie d'Authie – Pointe de Routhiauville Beach loop from Fort-Mahon-Plage

Routes

Hiking trails & Routes

Baie d'Authie – Pointe de Routhiauville Beach loop from Fort-Mahon-Plage

Easy

4.3

(16)

hikers

Baie d'Authie – Pointe de Routhiauville Beach loop from Fort-Mahon-Plage

01:19

5.18km

10m

Hiking

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: October 14, 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

Parking

Get Directions

718 m

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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Tip by

1.25 km

Henson

Highlight • Other

2.26 km

Sand dunes at Pointe de Routhiauville

Highlight • Natural

The dunes of Pointe de Routhiauville are a vast, ever-changing landscape where the sea breeze shapes rolling hills of golden sand. As you explore, you will notice the diversity of …

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Tip by

2.67 km

Pointe de Routhiauville Beach

Highlight • Beach

4.16 km

Authie bay and dunes

Highlight • Other

The bay and dunes of Authie are a natural space between land and sea. You can admire the diversity of landscapes, from salt marshes to sandy beaches, from high dunes …

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Tip by

5.18 km

End point

Parking

Way Types & Surfaces

Way Types

3.72 km

1.38 km

< 100 m

Surfaces

3.21 km