Visit of the salt marsh "La Tenue de Mareil"
Explanations on the construction and operation of the marsh
17 and 18 September 2022Passed
Mairie Les Moutiers en Retz
Explanations on the construction and operation of the marsh. History of salt in the Middle Ages in Baie de Bourgneuf. Presentation of 3 types of Gallic salt ovens - 750 to -100 BC.