Le chenal mythique des Sables d'Olonne
LES SABLES-D'OLONNE
Built in the 18th century, the small jetty protects the harbour from silting up.
Built in the 18th century, the small jetty protects the harbour from silting up.
Today, the well is covered by a vault, and at its top stands an English cannonball, a reminder of the intervention of the Anglo-Du
Designed in 1861, originally to mark the harbour entrance. It stands 24.81m high and its operation has been automated since 1970.