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Heritage classified

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Origin and history

The tidal mill of Traou Meur, located on the western bank of the Trieux estuary in Pleudaniel (Côtes-d'Armor), is an 18th-century building, whose dike dates back to the 17th century. He was called Moulin Neuf in an admission of 1647 to the lord of Guingamp and depended on the manor of Tromeur. This seigneurial mill, combined with a salt pond, was used to grind the state grains and was long owned by the Kerzulguen family.

The hydraulic mechanism, powered by two blades, allowed for regular grain production until its cessation in 1961. The dike, 10 to 15 metres wide, has a central intake door and a spillway. The building, made of granite and honeycombs, has a roof with rumps covered with slates. The site, including the 19th century house and mechanical remains, was listed in 1987 and then classified in 1991.

In 1647, the mill was mentioned as Moulin Neuf in a seigneurial document, linked to the manor of Tromeur. A record of V (1796-1797) attests to his superiority over a nearby, less powerful water mill. The adjacent dwellings, dated 1821 and 1827, as well as the restoration of the cover in 1977, reflect its architectural and functional evolution.

The mill illustrates the ingenuity of Breton hydraulic systems, exploiting tides for stable grain production. Its classification as a historic monument underlines its heritage importance, both for its preserved mechanism and for its role in local economic history.

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