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Ault Chalk Cliffs – Grand chemin côtier loop from Mers-les-Bains

Routes

Hiking trails & Routes

Ault Chalk Cliffs – Grand chemin côtier loop from Mers-les-Bains

Hard

4.8

(48)

308

hikers

Ault Chalk Cliffs – Grand chemin côtier loop from Mers-les-Bains

05:10

16.4km

260m

Hiking

Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required. The starting point of the route is accessible with public transport.

Last updated: March 3, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional Baie de Somme Picardie Maritime

Waypoints

Start point

Bus stop

Get Directions

1.39 km

The White Cliffs at Mers-les-Bains

Highlight • Natural Monument

Impressive and massive cliffs/chalk cliffs.

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1.85 km

Colorful Belle Époque villas in Mers-les-Bains

Highlight • Monument

Mers-les-Bains, at the gates of Normandy, is a beautiful seaside resort nestled at the foot of the cliffs. It has a large sand and pebble beach, and a pretty seafront lined with colorful villas.

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2.83 km

View of Mers-les-Bains and Le Tréport

Highlight • Viewpoint

First a climb is required for a beautiful view

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3.28 km

View of Le Tréport and the Cliffs

Highlight • Viewpoint

old platform from the war, from here you have a great view over Le Treport

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6.51 km

Bois de Cise

Highlight • Forest

This green setting in the heart of the cliffs has been listed as a picturesque site since 1959. The Bois de Cise is an exceptional natural site, a small natural …

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6.96 km

Bois de Cise

Highlight • Other

A green setting in the heart of the cliffs, classified as a picturesque area since 1959.
The Bois de Cise is an exceptional natural area, a small natural forest, originally …

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8.79 km

Calvaire

Viewpoint

9.20 km

Ault Chalk Cliffs

Highlight • Natural Monument

The village of Ault (ch'bourqu'éd'Eut, in Picard) has an exceptional geographical location. At the edge of the cliffs of the Normandy Alabaster Coast, with its valley protected by the Bois …

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11.0 km

Grand chemin côtier

Highlight • Other

Beautiful path, we take advantage of the elements, the view, the flora and fauna. Plan some obstacle crossings which allow the horses and cows to be left in their enclosures.

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16.4 km

End point

Bus stop

Way Types & Surfaces

Way Types

9.75 km

3.31 km

993 m

911 m

890 m

583 m

Surfaces

6.21 km

4.11 km

3.54 km

1.53 km

507 m

506 m

Elevation

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

Highest point (80 m)

Lowest point (0 m)

Weather

Monday 18 May

18°C

9°C

92 %

Additional weather tips

Max wind speed: 34.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Ault Chalk Cliffs – Grand chemin côtier loop from Mers-les-Bains

The White Cliffs at Mers-les-Bains

Colorful Belle Époque villas in Mers-les-Bains

View of Mers-les-Bains and Le Tréport

View of Le Tréport and the Cliffs

Bois de Cise

Bois de Cise

Ault Chalk Cliffs

Grand chemin côtier

Nearby routes

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