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Origin and history

Gannat Castle, located in the Allier department in the Auvergne-Rhône-Alpes region, is a 14th century defensive castle. Built on a square plane, it is flanked by four machicoulis towers connected by crenellated courtines. Originally, he was outside the urban enclosure and was surrounded by moat, illustrating his strategic role in defending the city.

The site experienced an earlier occupation: a castral moth, with the foundations of two towers (round and square), was discovered in the 19th century near the church of Sainte-Croix. Around 1200, the present castle was erected further north, near the northern gate of Gannat. In 1236, when the bourgeois obtained a charter of franchises, the castle leaned on the urban enclosure, although it remained outside the walls.

The building, uninhabited since the 16th century, served as a prison until the early 20th century. Traces of chimney and ogival bays remain on its east wall. Joined the historic monuments in 1926 for its four towers and its enclosure, it now belongs to the department and houses the Yves-Machelon Municipal Museum.

The castle embodies the medieval military architecture of Bourbonnais, with its characteristic defensive elements (machicoulis, courtines). Its evolution reflects the urban transformations of Gannat, marked by the granting of privileges to the bourgeois in the 13th century and the progressive integration of the castle into the urban fabric, despite its initial position on the periphery.

The 19th century excavations revealed remains of the primitive castral mound, bearing witness to an ancient occupation of the site. These discoveries, combined with the archives, underline the strategic importance of Gannat in the Middle Ages, at the crossroads of trade routes and areas of seigneurial influence in Bourbonnais.

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