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Monument location is shown with schedule boundary polygons where available, otherwise marked as a point on the map which approximates to the centre of the monument.
Latitude: 53.0619 / 53°3'42"N
Longitude: -4.322 / 4°19'19"W
OS Eastings: 244495
OS Northings: 354152
OS Grid: SH444541
Mapcode National: GBR 5G.C0L7
Mapcode Global: WH43S.L93H
Entry Name: Maen Llwyd in Glynllifon
Source ID: 3484
Cadw Legacy ID: CN143
Schedule Class: Religious, Ritual and Funerary
Category: Standing stone
Traditional County: Caernarfonshire