Solidor Tower, Medieval keep in Saint-Servan district, Saint-Malo, France
Solidor Tower is a medieval fortification in Saint-Servan built from granite with three connected circular towers rising over multiple stories. The thick walls and narrow windows show how it was designed as a military stronghold overlooking the Rance estuary.
Duke John V of Brittany built this tower between 1369 and 1382 to control the Rance River during disputes with Saint-Malo. The structure was designed to secure power over the region amid the tensions of that era.
The tower once housed a museum celebrating Breton sailors who rounded Cape Horn, with displays of ships and navigation tools from their journeys. Those exhibitions told stories of dangerous voyages and the courage of local mariners who ventured across distant oceans.
The tower sits near a tidal power plant and connects to coastal walking paths around the harbor area. Visitors should wear sturdy shoes, as the location is exposed to regular ocean winds and can be breezy.
During the French Revolution, authorities converted this military stronghold into a prison holding priests, nuns, and soldiers who resisted the new regime. This dark period shows how the tower's purpose shifted dramatically.
Location: Saint-Malo
Address: rue d'Aleth
Website: https://st-malo.com/tourisme/art-culture/tour-solidor
GPS coordinates: 48.63389,-2.02611
Latest update: December 6, 2025 16:03
Saint-Malo is a seaside town where stone is everywhere. Strong city walls surround the old part. Gray granite streets lead down to the harbor. Sand beaches stretch along the walls. Walking on the walls, you see the bay and islands on the horizon. Fort National sits on its island, reachable at low...
Aleth
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Mémorial 39-45 de Saint-Malo
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Aleth Cathedral
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Église Sainte-Croix de Saint-Servan
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Ar Zenith
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Camping de la Cité d'Alet
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Musée du Long-Cours Cap-Hornier
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Bas-Sablons lighthouse
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Malouinière de la Verderie
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Marché de Saint-Servan
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Hôtel du Pélican
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Plage de Solidor
242 m
Temple protestant de Saint-Malo
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Plage des Corbières
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Plage des Bas Sablons
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Fort d'Aleth
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Vierge de Bizeux
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Grandes orgues de l'Église Sainte-Croix de Saint-Servan
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Plage de la Vicomté
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Malouinière le Valmarin
593 m
Mur romain d'Alet
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Chapelle des Petites Sœurs des Pauvres de Saint-Servan-sur-Mer
618 m
Orgue de chœur de l'église Sainte-Croix de Saint-Malo
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Maison Jeanne Jugan, Saint-Malo
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Chapelle Sainte-Anne de Saint-Servan-sur-Mer
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Môle des Noires
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Chapelle du Sacré-Cœur de Saint-Servan-sur-Mer
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