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Heritage classified

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Origin and history

La mote de la Tour Basse is a castral motte dating from the 10th and 11th centuries, located in the commune of Plorec-sur-Arguenon, in the Côtes-d'Armor department, in Brittany. This site, still in good condition, has a round shape and is surrounded by ancient moats. Originally, it housed a wooden fortification, typical of the feudal buildings of that time.

The motte is located at the place called Guénault, on the east bank of the Arguenon, opposite another feudal motte, the Bourgs-Heussas, located on the west bank at Pleven. These two strategic sites preceded the Hunauday castle, built in the 13th century to the south, thus marking the evolution of fortifications in the region.

The site was classified as historic monuments by order of 28 August 1934, thus recognizing its heritage importance. Today, an information panel is installed at the entrance to the site, allowing visitors to better understand its history and its role in the Breton feudal landscape.

The motte of the Lower Tower illustrates the medieval defensive organization in Brittany, where the castral mots served as checkpoints and refuge for local lords. These earth structures, often surmounted by palisades or wooden towers, played a key role in protecting territories and populations during the Middle Ages.

Its relatively good state of conservation and its location near the Arguenon bear witness to the military architecture of the 10th and 11th centuries, the pivotal period between the Carolingian era and the affirmation of feudal power in Brittany.

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