- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°45'51"N 4°3'14"W
- Eastings/Northings: 261500, 320500
- OS Grid: SH615205
- Mapcode Local: GBR 5S.YZN4
- Mapcode Global: WH56D.PSP6
Location and coordinates are for the approximate centre of Mynydd Egryn within this administrative area.
Geographic features and populated places may cross administrative borders.