Latitude: 53.0558 / 53°3'20"N
Longitude: -4.2369 / 4°14'12"W
OS Eastings: 250177
OS Northings: 353287
OS Grid: SH501532
Mapcode National: GBR 5K.CH8C
Mapcode Global: WH43T.WGL6
Plus Code: 9C5Q3Q47+86
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NLS (Historic)
Entry Name: Strainer arches and retaining walls
Listing Date: 21 July 2000
Last Amended: 21 July 2000
Grade: II
Source: Cadw
Source ID: 23728
Building Class: Industrial
ID on this website: 300023728
Location: Located to the south of Pen-y-bryn, the strainer arches and walls retain the slate waste tips flanking the route of the Dorothea Quarry branch of the former Nantlle Railway.
County: Gwynedd
Community: Llanllyfni
Community: Llanllyfni
Locality: Nantlle
Traditional County: Caernarfonshire