- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°48'55"N 4°37'51"W
- Eastings/Northings: 222792, 327436
- OS Grid: SH227274
- Mapcode Local: GBR 51.VPHZ
- Mapcode Global: WH33N.THYK
Location and coordinates are for the approximate centre of Mynydd y Graig within this administrative area.
Geographic features and populated places may cross administrative borders.