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Origin and history

The castle of Cinq-Mars-la-Pile, located in the department of Indre-et-Loire in the region Centre-Val de Loire, finds its origins in the 12th century as feudal fortress linked to the seigneury of Saint-Médard (or Cinq-Mars). The first attested lords, such as the Geoffroy, Eudes, or Hardouin, appeared as early as the 11th century, but it was in the 13th century that the seigneury passed into the hands of L-Isle-Bouchard by marriage, notably with Barthélemi III and his son John I. The latter, married to Agnès de Montbazon, consolidated the seigneurial line until the 14th century, before the estate was passed on to the Rougé de Derval, then to the Châteaugirons in the 15th century.

In 1474, Jean de Châteaugiron exchanged the seigneury with Louis I of La Tremoille, Viscount of Thouars, marking the beginning of a period under the influence of this family and their heirs, the Husson de Tonnerre, until the middle of the sixteenth century. The castle then underwent architectural changes, such as the reconstruction of the moat. However, his history took a dramatic turn in 1642: Henri Coëffier de Ruzé, Marquis de Cinq-Mars and Louis XIII's favourite, was executed for conspiracy against Richelieu. In retaliation, the fortress was razed, leaving only remains like the two surviving towers and moats, classified as historical monuments in 1976.

In the 17th century, the estate passed into the hands of Martin Ruzé de Beaulieu, Secretary of State, then to his heirs, the Coëffier de Ruzé, including the Marquis d'Effiat. After several sales, the castle was acquired in 1768 by the Duke of Luynes, before changing owners several times in the 18th and 19th centuries. The elements protected today include the medieval towers (XIIth–XIIIth centuries), the house of the guards of the 15th century — redesigned in the 18th and 19th centuries — as well as the enclosure and the commons. The site thus illustrates nearly nine centuries of history, between seigneurial power, political intrigues and architectural transformations.

Architecturally, the castle combines traces of its defensive origin (Twelfth century dungeon, 13th century south tower) and subsequent additions, such as the 16th century triangular spur or the dormant bridge replacing the old drawbridge. The moat, which was redone in the Renaissance, and the partially preserved courtines testify to its strategic evolution. Despite the destruction, the site retains a major heritage value, classified and listed as historic monuments since 1976.

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