A customs post is a small lookout post, often a stone shelter, built along coastlines or borders to allow customs officers to monitor suspicious activity and combat smuggling. These structures appeared as early as the 18th century and are associated with the Customs Path, a historic coastal patrol hiking route.

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Bernd 🌲🦌🍄🥾

October 13, 2025

Hiking

Along the "Sentier des douaniers" (GR34), small guérites (guardhouses) often still stand, some restored, some in ruins—with spectacular views of the sea. These were established in 1791 for customs officers to monitor the coast, prevent smuggling, and deal with shipwrecks.

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Details

Informations

Elevation 10 m

Weather

Wednesday 11 March

14°C

8°C

49 %

Additional weather tips

Max wind speed: 31.0 km/h

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Location: Perros-Guirec, Lannion, Côtes-d'Armor, France

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Guérite de Douanier

1. Mean Ruz Lighthouse – Pink Granite Coast loop from Perros-Guirec

2. Customs Trail – Pink Granite Coast loop from Phare de Mean Ruz

3. Customs Trail – Pink Granite Coast loop from Trégastel

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