Timeline

Key figures

Origin and history

The Château du Déaux is situated in the plain of the Saône, on the commune of Mogneneins, in the department of Ain (region Auvergne-Rhône-Alpes). Its current architecture combines two distinct periods: a square brick tower, dated from the 14th or 15th century, and an adjacent 16th century building, now in ruins. The tower preserves defensive elements such as a murderer, while the house's body features ground windows, typical of the Renaissance.

The origin of the castle dates back to at least 1362, when Hugues (or Hugonin) Prévost de Montmerle acquired land and closeness from the Prince of Beaujeu. This transaction, although poorly documented, suggests early seigneurial anchoring in the region. The site, strategically located in a plain area, could have served as a point of control or noble residence, reflecting the feudal dynamics of the era.

The 16th century building, adjacent to the medieval tower, illustrates a phase of renovation or expansion, characteristic of the castles transformed during the Renaissance. The lower door and the molded stone windows show an increased aesthetic and comfort concern, contrasting with the initial defensive function. Today, the partial ruin of the castle limits the understanding of its complete architectural evolution.

Few sources detail the later history of the Deaf Castle. Its gradual abandonment and present state may reflect the political and economic upheavals that affected the small local seigneuries, especially after the Middle Ages. The monument remains a silent witness to the social and architectural transformations of the Saône plain, between feudality and modern times.

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