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Latitude: 53.2819 / 53°16'54"N
Longitude: -4.6673 / 4°40'2"W
OS Eastings: 222276
OS Northings: 379420
OS Grid: SH222794
Mapcode National: GBR GNV0.WC0
Mapcode Global: WH31B.8RRX
Entry Name: Dinas Porth Ruffydd
Scheduled Date: 16 June 1978
Source: Cadw
Source ID: 2547
Cadw Legacy ID: AN121
Schedule Class: Defence
Category: Hillfort
Period: Prehistoric
County: Isle of Anglesey (Ynys Môn)
Community: Trearddur
Traditional County: Anglesey