This list of Ramsar sites in Wales includes wetlands that are considered to be of international importance under the Ramsar Convention. Wales currently has 10 sites designated as "Wetlands of International Importance" with a surface area of 52,036 hectares (520.36 km2).[1][2] For a full list of all Ramsar sites worldwide, see List of Ramsar wetlands of international importance.
Largest natural body of water in Wales, the lake contains the endemic gwyniad, now listed as critically endangered as well as the very rare mollusc Myxas glutinosa.