Marais du Fier d'Ars

Ramsar logo

Marais du Fier d'Ars

  • Country: 
  • Site number: 
  • Area: 
    4,452 ha
  • Designation date: 
  • Coordinates: 
    46°13'N 01°28'W
Materials presented on this website, particularly maps and territorial information, are as-is and as-available based on available data and do not imply the expression of any opinion whatsoever on the part of the Secretariat of the Ramsar Convention concerning the legal status of any country, territory, city or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries.


Marais du Fier d'Ars. 02/02/03; Poitou-Charentes; 4,452 ha; 46°13'N 001°28'W. Nature Reserve (119 ha), Special Protection Area and proposed Site of Community Importance EC Directives. A complex of tidal sands and mudflats and diked marshes on the island of Ré off the Atlantic coast, including active and abandoned salt pans, freshwater marshes, reedbeds, oyster basins, extensive salt pastures, active dunes, dune forests, sandy and rocky coasts, and important seagrass beds (Zostera noltii). The site harbours a number of plant and animal species of conservation concern, including two regional endemics, the dune plant Omphalodes littoralis and the subspecies of the bluethroat Luscinia svecica namnetum. More than 31,000 waterbirds use the site in winter. Four populations of them occur regularly above the 1% threshold: Branta bernicla bernicla, Recurvirostra avoseta, Calidris alpina, Limosa limosa islandica. Human uses include oyster farming and numerous leasure and tourist activities (cycling, walking, fishing, canoeing, angling, sailing, swimming). Two visitor centres provide education facilities. Ramsar site no. 1269. Most recent RIS information: 2002.

Administrative region: 

  • National legal designation: 
    • Réserve Naturelle - Lilleau des Niges
    • Réserve de Chasse Maritime - Baies du Fier d Ars et de la Fosse de Loix
    • Site Classé
    • Zone de Protection Spéciale (ZPS) au titre de la Directive Oiseaux de la Communauté européenne
  • Regional (international) legal designations: 
    • EU Natura 2000
  • Last publication date: 


Ramsar Information Sheet (RIS)

Site map

Additional reports and documents