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Le Hourdel Lighthouse – Cape Hornu loop from Routhiauville

Routes

Hiking trails & Routes

Le Hourdel Lighthouse – Cape Hornu loop from Routhiauville

Hard

4.7

(11)

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: May 13, 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

Train Station

Get Directions

7.45 km

Dunes

Highlight • Other

Very beautiful dunes, even more colorful in spring

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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

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8.99 km

Beautiful natural domain

Highlight • Other

10.2 km

Blockhaus du Hourdel

Highlight • Monument

At low tide you can see the seals on the sandbanks

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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.

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10.6 km

Submerged Bunker of the Baie de Somme

Highlight • Monument

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 …

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19.2 km

Beach

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” …

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24.6 km

End point

Train Station

Way Types & Surfaces

Way Types

10.8 km

7.79 km

3.59 km

2.12 km

218 m

< 100 m

Surfaces

11.2 km

5.27 km

3.93 km

2.75 km

1.26 km

212 m

Elevation

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

Weather

Sunday 17 May

14°C

8°C

54 %

Additional weather tips

Max wind speed: 22.0 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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Le Hourdel Lighthouse – Cape Hornu loop from Routhiauville

Dunes

Access to the Coastal Path – Baie de Somme

Beautiful natural domain

Blockhaus du Hourdel

Submerged WWII bunker, Baie de Somme

Submerged Bunker of the Baie de Somme

Le Hourdel Lighthouse

Cape Hornu

Nearby routes

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