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Heritage classified

Key figures

Origin and history

The Saint-Adrien Chapel, located in the Morbihan in Saint Barthélemy, is a 15th-century religious building built by the Rohan family, whose arms adorn the bedside and the south gate. Its Latin cross plan, with a flat bedside buried at 1.50 m, adapts to the elevationd terrain, incorporating a sacristy in appentis and defensive elements such as taluté foothills. Inside, a carved jube depicts Christ surrounded by apostles dressed in Templar knights, suggesting an ancient connection with this order. Two fountains of devotion, one in the choir, and nearby menhirs testify to a chretianized site on an ancient pagan place of worship linked to water.

Ranked a historic monument in 1932, the chapel preserves sandstones of the 1480s, similar to those of Notre-Dame de Quelven, and traces of subsequent interventions, such as the date of 1565 engraved inside, associated with the Rimaison weapons. The glass windows, partially disappeared (glassmaster and scenes of the Passion deposited in 1937), as well as a major altarpiece removed in the 20th century, reveal a rich past decoration. The building, covered with roofing panels masked by a 19th century plaster vault, was restored in the 1970s to find its medieval elements.

The site, once a place of pilgrimage frequented, combines defensive architectural elements (pinacles with hooks, bell in frame) and symbolic elements (fontaines, crosses). The Rohans, lords of Baud, placed their emblem there to assert their power, while the Templars, evoked by the costumes of the carved apostles, might have possessed the chapel before its reconstruction. The two neighbouring menhirs and the outside fountain, surmounted by a cross, underline the sacred continuity of the place, from pagan origins to its Christianization.

In the 20th century, modifications altered some elements, such as the partial shutdown of the window tower bay or the replacement of the southern heel in 1937. Despite these transformations, the chapel remains a remarkable example of Breton religious architecture, mixing medieval heritage, Templar symbolism and later adaptations. Its classification and protection make it an essential heritage of the Morbihan, illustrating the evolution of devotional and seigneurial practices in Brittany.

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