Timeline

Heritage classified

Key figures

Origin and history

The Saint-Maurice Abbey of Carnoët, founded between 1170 and 1177 by Cistercian monks of Langonnet, implanted in a strategic site near the Laita and a Roman way. Its founder, Maurice Duault (future Saint Maurice), established an autarchic community there despite a hostile environment. The charter of donation of Duke Conan IV allows logging, sometimes abused as in 1566, where the abbey is condemned for illegal export of timber.

The chapter hall, a vestige of the 13th century, survives the reconstructions of the 15th, 17th and 18th centuries. The abbey, prosperous thanks to its river port and its agricultural organization, suffered destruction during the Revolution. Sold as a national property, it was partially transformed into a castle in the 19th century. In 1945, a fire ravaged the last buildings, leaving only the capitular hall and cartrier.

Acquired by the Conservatoire du littoral in 1991, the Abbey becomes a protected site combining heritage and ecology. Its ruins (capitular room, abbey farm, orangery) border a forest housing rare bats. Threatened by the rise of the waters, it bears witness to six centuries of monastic life, between miracles attributed to Saint Maurice and farming.

The estate, managed by the municipality, offers exhibitions on Cistercian life and trails along the Laita. Two dykes now protect the remains, while remains of the Iron Age recall the former occupation of the site. The relic of Saint Maurice, transferred in 1880, strengthens his spiritual heritage.

Ranked a historic monument in 1956 (capitular hall) and 1995 (the entire site), the abbey illustrates Cistercian architecture and its adaptation to contemporary ecological challenges. Its history combines faith, conflict (war of 1944, caulianry) and resilience, between monastic memory and environmental issues.

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