:List of SSSIs in Clwyd

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File:Clwyd AOS.png

Lists of Sites of Special Scientific Interest in Clwyd comprise:

• List of Sites of Special Scientific Interest in Conwy County Borough (east)
• List of Sites of Special Scientific Interest in Denbighshire
• List of Sites of Special Scientific Interest in Flintshire
• List of Sites of Special Scientific Interest in Powys (small part)
• List of Sites of Special Scientific Interest in Wrexham County Borough

{{Protected areas of Wales|state=collapsed}}

{{list of lists| geography |listcat=Lists of Sites of Special Scientific Interest|sort=Clwyd}}

Clwyd