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Origin and history

Châteaufort Castle, located in Motz en Savoie, is an ancient castle whose origins date back to the 13th century. It was originally part of the seigneury of Chautagne and belonged to the family of Châteaufort, before being passed on by inheritance to the family of Montluel. Its strategic location, at the mouth of the Fier and near the Rhone, allowed it to control the land and river communication axes, playing a key role in the region from the Middle Ages.

In the 14th century, the castle and its mandate were the subject of disputes between the Count of Savoy and the lords of Chautagne, resolved between 1376 and 1392 by the transfer of Savoyard rights to the family of Montluel. In 1455, Humbert de Montluel, after family conflicts, restored and expanded the fortifications. The castle changed hands several times by inheritances and marriages, especially within the Montluel, before being acquired in 1586 by François de Grolée, whose family resided there until the 17th century.

In 1630, during the invasion of the Savoy by the troops of Louis XIII, the castle was set on fire and later rebuilt. It became a "big noble house" of square plan, with a still medieval round tower and elements of the original double enclosures. In the 19th century, restorations were undertaken, especially on a raised turret. The seigneury then passed to the Mareste, Fresnoy, and Planchamps families, before being owned by Marie de Magny in 1907.

Châteaufort Castle illustrates the seigneurial dynamics and strategic stakes of the medieval and modern Savoy. Its architecture combines 13th century defensive remains with 17th and 19th century transformations, reflecting its evolution between military fortress and noble residence. Its history is marked by marriage alliances, inheritance conflicts and war-related reconstructions.

Today, the site preserves traces of its medieval past, such as the round tower and the enclosure walls, while bearing the marks of the later changes. It bears witness to the importance of Savoyard castles in controlling territories and channels of communication, as well as architectural and social changes over nearly eight centuries.

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