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Heritage classified

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Origin and history

The Sainte-Trinité Abbey of La Lucerne, founded in 1143 by Hasculphe de Subligny and his brother Richard, bishop of Avranches, is a pre-monstrated monastery located in the Thar Valley in Normandy. Originally established on a marshy site called Courbefosse, the community was moved in 1145 to a land offered by Guillaume de Saint-Jean, and finally settled in 1162 at the place-de-la-Luzerne. The abbey church, Romanesque style with Cistercian influences, was consecrated in 1178. Donations from local lords and kings of France and England quickly enriched the abbey.

In the 13th century, the abbey experienced a golden age: the bedside was redesigned with Gothic windows, the transept chapels were enlarged, and a stone cloister replaced the old wooden cloister. The Hundred Years War (14th-15th centuries) damaged the buildings, requiring restorations under the abbots Jean du Rocher and Philippe Badin. The nave, ruined, is covered in wood for lack of means. In the 15th century, Abbé Richard I of Laval partially rebuilt the cloister and doorwork, while the medieval dovecoier, one of the oldest in Normandy, was preserved.

In the 16th century, the abbey passed as a commende, but Abbé Jean de La Beslière (appointed in 1596) revived the community by restoring the vaults of the abbey and the convent buildings. In the 17th century, despite the beginning, the canons bought their autonomy and elected their abbots, such as Jean Éthéart (1700–12), who rebuilt part of Carolles' blue granite buildings. The cloister and the large Conventual building were rebuilt under its successors, including Hyacinthe des Noires-Terres. The Abbatial house, of classic style, was rebuilt around 1740 by Jean-Baptiste Pellevé.

The French Revolution closed the abbey in 1790. Sold as a national good, it became a cotton mill under Louis Gallien (1794–34), then a marble mill until 1870. In the 19th century, the nave collapsed (1837), and the abbey stones were used to build a hydraulic mill. In 1959, Abbé Marcel Lelvisant acquired the ruins and launched an exemplary restoration: reconstruction of the nave (1988–2004), restoration of the bell tower, the refectory and the cellars. Since 2022, the abbey has been home to a religious community and a spiritual centre.

The architectural complex, classified with historical monuments as early as 1928, combines Romanesque elements (façade, cloister), Gothic elements (tour-lantern, bedside windows) and classical elements (logis abbatial). The site also includes a 13th-century dovecote, medieval and romantic gardens, and a 19th-century aqueduct. The abbey houses 43 classified objects, including 12th century gissants. Its history reflects the religious, political and economic upheavals of Normandy, from its medieval foundation to its contemporary renaissance.

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