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Heritage classified

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Origin and history

The former church of Trégon, located in the commune of Beausais-sur-Mer (Côtes-d'Armor, Brittany), was originally a priory-curé dependent on the abbey of Saint-Jacut. Already mentioned in the 12th century, it illustrates the shift in architectural styles in Brittany, with a Romanesque portal built during the second half of the 11th century but later integrated into a modern sacristy.

The granite portal, the only vestige of the medieval building, has typical features of Breton Romanesque art: arch in the middle of a chamfered hanger, archvolt adorned with saw teeth, and a cubic frieze alternating reliefs and hollow. This gate, originally the entrance to the early church, was preserved during the reconstruction of the new Saint-Pétrock church between 1843 and 1880.

Partially classified as historical monuments by decree of 18 June 1946, the portal is now used as an entrance to the sacristy. Its conservation bears witness to the historic importance of the site, linked to the Abbey of Saint-Jacut, and to the desire to preserve this Breton architectural heritage despite subsequent transformations.

The monument is owned by the commune of Trégon, now integrated in Beausais-sur-Mer. Its present state reflects both its medieval origin and its adaptation to the cultural needs of the 19th and 20th centuries, while offering a remarkable example of Romanesque religious architecture in Brittany.

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