Timeline

Heritage classified

Key figures

Origin and history

The castle of Montmuran was founded at the end of the 12th century by the lords of Tinténac, vassals of the Abbey of Saint-Georges of Rennes. Two Romanesque towers remain of this period, while a first wooden castle, built in 1036, was destroyed in 1168 by the Plantagenets. In 1170, a stone fortress was erected, including a dungeon still visible today.

In the 14th century, Montmuran became a major stronghold under the Laval family, allied with the Montforts. In 1354, Bertrand Du Guesclin was dubbed there after repelling an English attack near Bécherel. He married Jeanne de Laval in the chapel of the castle in 1374, becoming owner of the estate until his death in 1380. The castle remained in the Laval family until the 16th century.

In 1547 Charlotte de Laval, the last heiress, married Admiral de Coligny, later victim of the Saint-Barthélemy. The estate then passed to Hamilton, then to the Coëtquen and the Mornay. In the 18th century, the house was redesigned, but a fire in 1889 partially damaged the building. Ranked a Historic Monument in 2003, it underwent major restorations between 2022 and 2024.

Architecturally, Montmural combines medieval defensive elements (doves, mâchicoulis, drawbridges) with an 18th century house body. The chapel, a place of historic ceremonies, and an orangery complete the whole. The site, open to the public, also serves as a framework for filming and receptions.

The castle is inseparable from figures such as Du Guesclin, the Lavals or Coligny, and local legends such as that of the bloody road, tinted with iron oxide. Its history reflects the Breton conflicts (war of Succession) and social transformations, from feudal fortress to seigneurial domain then heritage.

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