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Hiking trails & Routes

Hauts-De-France

View of the Baie de Authie – Baie d'Authie Coastal Area loop from Groffliers

Hiking trails & Routes

Hauts-De-France

View of the Baie de Authie – Baie d'Authie Coastal Area loop from Groffliers

Moderate

4.6

(9)

58

hikers

View of the Baie de Authie – Baie d'Authie Coastal Area loop from Groffliers

04:17

16.9km

40m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 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

Waypoints

A

Start point

Parking

1

1.08 km

Riverside Path

Highlight • River

2

3.78 km

Sandy Dunes of Parc Naturel Marin des Estuaires Picards et de la Mer d'Opale

Highlight • Beach

Endless sandy landscape and sometimes very bizarre when it's windy

Translated by Google •

Tip by

3

4.35 km

View of the Baie de Authie

Highlight • Other

Expansive and imposing landscape of sand and water

Translated by Google •

Tip by

4

6.74 km

Seal watching

Highlight • Other

Robbing seals and watching 🤣

Translated by Google •

Tip by

5

6.87 km

Plage des Phoques, Berck-sur-Mer

Highlight • Beach

A few hundred meters from the Berck lighthouse, the Phoques beach is home to colonies of grey seals and harbour seals. You can observe them at low tide, when the seals come to rest on the fine sandbanks.

Showing Translation

Tip by

6

8.04 km

Autie Bay, Berck

Highlight • Other

View of the Berck Sanatorium

Translated by Google •

Tip by

8.37 km

Berck Plage

Beach

10.7 km

Beach

Beach

9

11.3 km

Baie d'Authie Coastal Area

Highlight • Beach

Fantastic and endless views along the coast. To the north you can see the Berck lighthouse, and to the south, the dunes and wild beaches of Authie Bay.

Translated by Google •

Tip by

10

11.5 km

Beautiful stretch of coast

Highlight • Other

Beautiful stretch of coast with great views of the Baie

Translated by Google •

Tip by

B

16.9 km

End point

Parking

Way Types & Surfaces

Way Types

13.1 km

2.81 km

834 m

< 100 m

< 100 m

Surfaces

8.40 km

5.25 km

2.71 km

318 m

182 m

< 100 m

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Elevation

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

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Weather

Powered by Foreca

Sunday 18 October

13°C

3°C

0 %

Additional weather tips

Max wind speed: 15.0 km/h

to get more detailed weather forecasts along your route

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