:List of SSSIs in East Gwynedd
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Lists of Sites of Special Scientific Interest in East Gwynedd (1974–1996) comprise:
- List of Sites of Special Scientific Interest in Conwy County Borough (western part)
- List of Sites of Special Scientific Interest in Gwynedd (eastern part)
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{{list of lists| geography |listcat=Lists of Sites of Special Scientific Interest|sort=East Gwynedd}}