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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: 51.8241 / 51°49'26"N
Longitude: -3.5256 / 3°31'32"W
OS Eastings: 294954
OS Northings: 215040
OS Grid: SN949150
Mapcode National: GBR YH.WB3Q
Mapcode Global: VH5G0.VF10
Entry Name: Twyn yr Odynau round cairn
Scheduled Date: 9 November 2006
Source ID: 1102
Cadw Legacy ID: BR343
Schedule Class: Religious, Ritual and Funerary
Category: Round cairn
Traditional County: Brecknockshire