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Latitude: 52.6224 / 52°37'20"N
Longitude: -4.0986 / 4°5'54"W
OS Eastings: 258040
OS Northings: 304804
OS Grid: SH580048
Mapcode National: GBR 8R.7TRS
Mapcode Global: WH575.0BLY
Entry Name: Castell-Mawr
Scheduled Date:
Source: Cadw
Source ID: 2474
Cadw Legacy ID: ME073
Schedule Class: Defence
Category: Hillfort
Period: Prehistoric
County: Gwynedd
Community: Llangelynin (Llangelynnin)
Traditional County: Merionethshire