Île du Guesclin, Tidal island in Saint-Coulomb, France
Île du Guesclin is a rocky island that rises from the English Channel waters and connects to the mainland via a natural sand path when the tide recedes. The island is crowned by a stone fortress whose walls stand above the rocks.
The island was named after Bertrand du Guesclin, a major French military commander from the 14th century who led forces during the Hundred Years' War. The fortress later served as a residence and witnessed different periods of French history.
The fortress here was once a place of military control before becoming a private retreat for artists and thinkers. The walls today speak to this shift from defense to creative work.
Access to the island depends heavily on tidal conditions and requires careful planning before visiting. Check tide schedules and weather forecasts, as the path floods at high tide and your time above can be limited.
A well about 30 meters deep is carved directly into the rock and still functions, showing how skilled medieval builders were at their craft. This well stands as one of the most remarkable features for visitors to see.
Location: Saint-Coulomb
GPS coordinates: 48.69670,-1.89611
Latest update: December 11, 2025 18:09
Fort Du Guesclin
4 m
Pointe du Grouin
4.2 km
Malouinière de la Ville Bague
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Plage Verger
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Ancienne église Saint-Méen de Cancale
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Malouinière de la Mettrie-aux-Louëts
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Plage du Guesclin
515 m
Corps de garde des Daules
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Malouinière des Courtils-Launay
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Cale de l'Épi
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Plage des Chevrets
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C.O.R.D.(e)
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Plage de Port Briac
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Plage du Petit Port
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Église Saint-Colomban
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Église Saint-Méen de Cancale
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Scenic viewpoint
4.1 km
Plage de cancale
4.2 km
Plage de Port-Mer
3.5 km
Chapelle Notre-Dame du Verger
1.2 km
Castel de Barbe brûlée
3.8 km
Château de la Mettrie aux Louëts
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Chapelle Sainte-Sophie de la Ville Bague
2.7 km
Croix des Courtils
4 km
Plage de Port Picain
3.5 km
Plage du Port
2.5 kmVisited this place? Tap the stars to rate it and share your experience / photos with the community! Try now! You can cancel it anytime.
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