THE LOCKS OF THE COLLET AND FRESNE'S PORT

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Presentation

Located at the crossroads of Loire Atlantique and Vendée, in the heart of the Marais Breton, the villages of "Port La Roche" and Fresne are winnowing places. The water from the Marsh circulates between the various locks, which regulates the water between each season, and contributes to the protection of the fauna and flora present in the middle of the soft marshes and salt marshes.
Water management is essential to life in the marsh, it is managed by the SAH. (Syndicate of Hydraulic Development of the South Loire). 51 municipalities are conserned by the regulation of these waters through the Marais Breton Vendée, or Marô. At Port la Roche, there are still 3 main locks, and 2 at Fresne.

The name of these places is linked to history; the "Port la Roche" and the "Port du Fresne", are old ports where navigation was possible to connect the Port du Collet inland (up to Machecoul) and supply the villages of the marsh with food ( food, salt ...).

As the bay becomes silted up, the "Port la Roche" loses its importance, in favor of that of Fresne, then that of Collet. In 1876, the municipal council of Bourgneuf declared the port of Fresne impracticable, that of Collet definitively took over.
Opening day(s)

All year long 2021

Every day

Information
  • THEMES OF MUSEUM OR INTERPRETATION CENTRE :
    • Rural world agriculture
    • Environment / Nature
  • DETAILS FOR CIVIL ARCHITECTURE :
    • Rural heritage (fountain, oven...)
    • City / Village / District
  • VISITS :
    • Individual admission (without guide)
  • PETS :
    • Pets allowed
  • ACESSIBILITY :
    • Accessible with help
  • Geographical zone :
    • Villeneuve-en-retz

Map

Map

FICHE_INFO_SIMPLE_LIBELLE_DESTINATION
LES ÉCLUSES DU PORT LA ROCHE ET DU FRESNE
Le Port la Roche
Saint-Cyr-en-Retz
44580
VILLENEUVE EN RETZ
GPS coordinates
Latitude : 46.98834
Longitude : -1.91055
Contact details
THE LOCKS OF THE COLLET AND FRESNE'S PORT
Le Port la Roche
Saint-Cyr-en-Retz
44580
VILLENEUVE EN RETZ
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