FRANCE · LANDSCAPE · COAST
Zones basses du littoral (niveaux PHMA et PHMA + 1 m)
ProDrawn as areasAppears from zoom level 12In the app's radius search
What this layer shows
Land lying below the highest astronomical tide level, and below that level plus one metre, mapped by Cerema. It gives a first idea of exposure to coastal flooding where no prevention plan exists. It is not a regulatory hazard map.
Publisher and licence
Source : © Zones basses du littoral à la cote des PHMA · Cerema, Licence Ouverte 2.0
Source : © Zones basses du littoral à la cote des PHMA - Cerema, Licence Ouverte 2.0
Where the data comes from
ARCGIS · geolittoral-data.cerema.fr
Merestone asks this service live for the area on screen. Nothing is copied or stored beyond a short cache.
Facts shown for each feature
Commune (INSEE) · Loi Littoral