1300 hectares of protected marshland. Seven marshes are stille in operation today. Mos of the marshland of Olonnes becames a breeding ground for eels ans mullet.
LES SABLES D'OLONNE1 hour boat trip on the salt river. Guided tour of the Salt Adventure Park. ...
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LES SABLES D'OLONNEA reproduction and migration site.
L'ILE D'OLONNEThis former salt merchant town has genuine heritage for you to discover, including the Saint...