LOCKS OF THE PORT OF THE COLLET AND CHANNEL

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Presentation

Located at the crossroads of the Marais and the Sea, the locks of Collet (2004), the winnowing of Millac (1975) and the winnowing of Collet, allow the regulation of rainwater in the marsh according to the needs of farmers and especially salt workers, and the evacuation if necessary of too abundant rainwater.
In order to avoid siltation, floods, water overflow and / or drought, the SAH, (Hydraulic compagny) manages the water between the Loire, the Marais Breton and the Sea towards the Port of Collet.

51 municipalities are concerned with water management.

The importance is capital for the conservation of species and the preservation of the natural environment, the area being classified Natura 2000.

The roles of these winnowing are multiple: to take seawater at high tide to supply the salt marshes, to evacuate the rainwater at the end of winter to allow cleaning and cleaning of the marshes at low tide, to replenish the freshwater marshes in some places.
Opening day(s)

All year long 2020

Every day

Information
  • PERIOD OF SITE OR HISTORIC MONUMENT :
    • 20th century
  • THEMES OF MUSEUM OR INTERPRETATION CENTRE :
    • Rural world agriculture
    • Environment / Nature
    • Maritime
  • DETAILS FOR CIVIL ARCHITECTURE :
    • Rural heritage (fountain, oven...)
  • VISITS :
    • Individual admission (without guide)
  • PETS :
    • Pets allowed
  • ACESSIBILITY :
    • Accessible with help
  • Geographical zone :
    • Villeneuve-en-retz

Tarifs

FaresMinMax
01/01/2020 - 31/12/2020
Access to the siteFree

Map

FICHE_INFO_SIMPLE_LIBELLE_DESTINATION
ÉCLUSES DU COLLET ET CHENAL
Le Petit Collet
Bourgneuf-en-Retz
44580
VILLENEUVE EN RETZ
GPS coordinates
Latitude : 47.03413
Longitude : -1.97058
Contact details
LOCKS OF THE PORT OF THE COLLET AND CHANNEL
Le Petit Collet
Bourgneuf-en-Retz
44580
VILLENEUVE EN RETZ
Phone : +33 2 40 05 65 64
Phone : 02 40 21 40 07 (mairie)