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Origin and history

The Château de l'Etier, also known as the Château de l'Estier, is a seigneurial residence in Beganne, Morbihan, England. Built in 1441 for Guyon de Carné, member of the Ducal Council, it probably replaces an earlier building of the lords of Rieux dating from 1380. The site dominates the heights of the Trevelo, close to the Château de Léhélech and the port of Foléux, reflecting its strategic and residential importance from the Middle Ages.

In the 15th century, the main house body was erected, consisting of three wings, two of which were in a straight angle, surrounding a polygonal staircase turret. Under Francis II, the mansion passed to Pierre Landais, treasurer general, before the turret was rebuilt in the 16th century. In 1633, an extension was added to the main wing, marking an architectural evolution towards more classical styles. Interiors retain Gothic elements, such as a niche in the vestibule and carved chimneys, although some decorations (foliage, cabbage) were later removed.

The castle changed several times from the owners, families of L'Estier, Rieux, Maigné, to the Gouyon de Beaucorps Tétrel (1975) and then Blanchard (1987). Ranked a historic monument in 1976 for its facades and roofs, it illustrates the evolution of tastes and powers in Brittany, between medieval heritage and Renaissance adaptations. The commons, probably from the 18th century, complete an architectural ensemble bearing witness to five centuries of local history.

The building thus combines traces of its defensive origin (position on the heights, turret) with subsequent residential developments. The successive modifications, such as the addition of 1633 or the restorations of the seventeenth century, reveal a continuous occupation by the Breton aristocracy, between seigneurial, administrative (ducal council) and symbolic functions (sculpted decorations).

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