• Cymraeg
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    NPRN408413
    Map ReferenceSH64NE
    Grid ReferenceSH6779946385
    Unitary (Local) AuthorityGwynedd
    Old CountyMerioneth
    CommunityFfestiniog
    Type Of SiteMAGAZINE
    PeriodPost Medieval
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    Description
    This building for the storage of blasting powder probably dates from the 1860s when the Cwm-orthin Slate Company enlarged and mechanised the quarry. Its ruins remain close to the lake shore.
    W J Crompton, RCAHMW, 17 December 2008.