• Cymraeg
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    NPRN302106
    Map ReferenceSH66NW
    Grid ReferenceSH6141666196
    Unitary (Local) AuthorityGwynedd
    Old CountyCaernarfonshire
    CommunityLlandygai
    Type Of SiteDAM
    PeriodPost Medieval
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    Description
    Mid-C19 masonry dam, associated with the water-powered slate works at Felin Fawr (NPRN 570). Constructed from massive slate blocks. Two cast-iron sluices.