- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°57'14"N 4°13'45"W
- Eastings/Northings: 250337, 341944
- OS Grid: SH503419
- Mapcode Local: GBR 5K.KYZM
- Mapcode Global: WH55K.00BS
Location and coordinates are for the approximate centre of Bryniau Ystumcegid within this administrative area.
Geographic features and populated places may cross administrative borders.