Roz-sur-Couesnon, Commune in Ille-et-Vilaine, France
Roz-sur-Couesnon is a commune in the Ille-et-Vilaine department of northwestern France, in the canton of Pleine-Fougères within the arrondissement of Saint-Malo, and part of the community of communes of Pays de Dol et de la Baie du Mont Saint-Michel. The village sits beside the Couesnon river, with narrow streets lined by stone houses and surrounded by farmland and wetlands.
The area was already settled in ancient times, as shown by coins from the 4th century and the traces of two Roman roads that crossed the territory. In the early Middle Ages, a monastery was founded here, and local tradition links its origins to Saint Malo.
The name of the commune comes from the Couesnon river, which once marked the boundary between Brittany and Normandy, and this heritage still shapes local identity. The village church has long served as a gathering point, and seasonal festivals bring residents together around music, food, and shared customs.
The village is best reached by car, as public transport links are limited and the surrounding area is served by small country roads. It is worth carrying some cash, as small local shops and cafes may not accept cards.
Salt was extracted from the marshes around the village for many centuries by heating water from the wetlands, a practice that continued into the 1800s. The outlines of some of the old salt ponds can still be seen in the landscape today.
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