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Heritage classified

Key figures

Origin and history

The castle of Tregarantec, located in Mellionnec in the Côtes d'Armor, has its origins from at least the thirteenth century with the family of Tregarantec, mentioned for the first time in 1271. The current construction, dated 1698 (registered on a chimney), is attributed to François-René Jégou du Laz, adviser to the Parliament of Brittany. It probably replaces an older building, reflecting the importance of this Breton seigneury transmitted by successive matrimonial alliances (Grignon de La Forest, Carman, Perrian, Saint-Noays).

The wing perpendicular to the main body, perhaps anterior, was destroyed in the early 20th century and rebuilt in 1970. The castle, typical of the Breton aristocratic residences, is distinguished by its terraced gardens (3 hectares), its monumental well, and its chapel dedicated to Notre-Dame du Bon Secours, built in 1755 and transformed in 1768. The 18th-century rock woodwork and golden panellings of the salons illustrate the splendor of its owners, including the Jégou du Laz, who remained in possession until 1799.

A striking episode dates back to 1494, when the lords of Tregarantec, after having tried to "correct" a blasphemous parent at the Clos (neighborhood), made him drown in the Etang-au-Duc with royal absolution. This fact reveals their judicial and religious power at the end of the Middle Ages. The estate, sold in 1819 to the Le Guen family (always owner via the Danion), has retained elements classified as Historic Monument since 1997, including the house, the chapel, and the French-style gardens inspired by Le Nôtre.

Architecturally, the castle combines cutting stone and imposing structure, evoking royal shipyards. The courtyard of honour, framed by pavilions and communes, leads to a monumental staircase giving access to the terraces. Orangery, granite balusters, and centuries-old chestnut aisles complete this seigneurial setting, often compared to the most beautiful homes in Brittany. The chapel, restored between 2000 and 2003, houses classified furniture (Louis XV woodwork, wrought iron grills) and sculptures depicting evangelists.

The family owners were succeeded by inheritances or sales: from Tregarantec (XIIIth–XVth centuries) to Grignon de La Forest, then to Carman, Perrian (1620–1676), Saint-Noays, and finally to the Jégou du Laz (1677–1799). After the Revolution, Colonel Le Mintier briefly owned it (1805) before his return to the Jégous, and his final acquisition by the Le Guen in 1819. The latter, involved in local life (two mayors of Mellionnec at the beginning of the 20th century), preserved the estate until today.

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