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Latitude: 53.1873 / 53°11'14"N
Longitude: -4.2546 / 4°15'16"W
OS Eastings: 249450
OS Northings: 367957
OS Grid: SH494679
Mapcode National: GBR 5J.3BYP
Mapcode Global: WH437.M46V
Entry Name: Caer Idris Hillfort
Scheduled Date: 3 May 2016
Source: Cadw
Source ID: 2525
Cadw Legacy ID: AN051
Schedule Class: Defence
Category: Hillfort
Period: Prehistoric
County: Isle of Anglesey (Ynys Môn)
Community: Llanidan
Traditional County: Anglesey