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Heritage classified

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Origin and history

The castle of Keralio, located in Plouguiel in the Côtes-d'Armor, is a building whose origins date back to the 15th and 16th centuries, with architectural elements added to the 17th century. It has been listed as a Historic Monument since March 22, 1930, recognizing its heritage value. This castle is closely linked to the history of the Breton nobility, notably to the family of Keralio, of which one member, Guillaume de Keralio, was killed during the siege of Rhodes in 1440, and another became chamberlain of France under Anne de Bretagne and Charles VIII.

The region of Plouguiel, in the former Trégor, was a territory marked by a strong seigneurial and religious presence. The castle of Keralio, with its outbuildings and chapel, illustrates this medieval and modern social organization. In the 16th century, Keralio's family played a notable political and military role, as evidenced by the careers of its members, some of whom held prestigious positions in the court of Brittany and France. The castle, still inhabited in the 19th century, was put on sale in 1935, marking a transition in its use.

The castle is associated with larger historical elements, such as the founding of a Third Order community in Plouguiel around 1503 by Catherine de la Bouessière, or the presence of neighbouring manors such as Kerousy and Lezhildry, which complement the local seigneurial landscape. The chapel of Keralio, which has been included in the additional inventory of Historic Monuments since 1966, as well as the ordeal replaced in 2011, underline the religious and cultural importance of the site. These elements reflect a time when local lords, such as the Keralio, played a central role in the economic, social and spiritual life of the region.

Plouguiel, located near Tréguier, was a dynamic parish, marked by agricultural activities, maritime exchanges (especially via the port of La Roche-Jaune), and an intense religious life, with several chapels and pardons. Keralio Castle, as a seigneurial residence, was a place of power and assembly, illustrating the links between nobility, church and local population. Its architecture and history make it a privileged witness to the social and political evolutions of Brittany between the Middle Ages and the modern era.

In the 20th century, the castle of Keralio underwent transformations, including the sale of the estate in 1935 and the displacement of its calvary towards the cathedral of Tréguier in 1937. These changes reflect the economic and cultural changes in rural Brittany, where the old symbols of the nobility gradually lose their original function. Today, the castle, although partially open to the visit, remains an emblem of the historical heritage of Plouguiel and of the Trigorro region, attracting lovers of Breton history and architecture.

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