Marais pedagogique de Briollay
BRIOLLAY
The dune vegetation that grows at the foot of the Garenne dune helps to stabilise the sand, making the dune a natural protection f
Located in the Château d'Olonne on the Corniche Road between Bourgenay (Talmont Saint Hilaire) and Sables d'Olonne, and only a few
The terrées (land raised by what has been removed from the surrounding ditches) at Pain Béni are home to the largest heron colony
It extends over a gently undulating plateau and covers 252 hectares.