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Hiking trails & Routes

Hauts-De-France

Le Hourdel Lighthouse – Cape Hornu loop from Routhiauville

Hiking trails & Routes

Hauts-De-France

Le Hourdel Lighthouse – Cape Hornu loop from Routhiauville

Hard

4.8

(13)

90

hikers

Le Hourdel Lighthouse – Cape Hornu loop from Routhiauville

06:14

24.6km

60m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 21, 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

A

Start point

Train Station

1

7.45 km

Dunes

Highlight • Other

Very beautiful dunes, even more colorful in spring

Translated by Google •

Tip by

2

8.49 km

Access to the Coastal Path – Baie de Somme

Highlight • Trail

Please note, this trail is only passable at low tide or at least 3 ½ hours before the tide is completely high. It leads to seal colonies.
Tide times and coefficients in Cayeux-sur-Mer: maree.info/11

Translated by Google •

Tip by

3

10.2 km

Blockhaus du Hourdel

Highlight • Monument

At low tide you can see the seals on the sandbanks

Translated by Google •

Tip by

4

10.2 km

Submerged WWII bunker, Baie de Somme

Highlight • Monument

It remains a strange feeling to come across traces so long after the war.

Translated by Google •

Tip by

5

10.6 km

Submerged Bunker of the Baie de Somme

Highlight • Monument

6

11.4 km

Le Hourdel Lighthouse

Highlight • Monument

In 1943, a military base was installed by General Erwin Rommel, in charge of the defense of the Atlantic Wall on the Northwest. He transformed the beach into a vast …

Translated by Google •

Tip by

7

19.2 km

sr Valery beach

Highlight • Other

Here you can enjoy the beach and the view on a beach towel.

Translated by Google •

Tip by

8

21.3 km

Cape Hornu

Highlight • Beach

Cap Hornu is a cape located near Saint-Valery-sur-Somme, on the south bank of the Bay of Somme.
The name Cap Hornu comes from the Picard word “hornu”, which means “horned” …

Tip by

B

24.6 km

End point

Train Station

Way Types & Surfaces

Way Types

11.0 km

7.95 km

3.51 km

1.53 km

521 m

< 100 m

Surfaces

11.3 km

5.20 km

3.70 km

3.04 km

1.35 km

< 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

Today

Saturday 17 October

14°C

7°C

47 %

Additional weather tips

Max wind speed: 15.0 km/h

to get more detailed weather forecasts along your route

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