- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°54'52"N 3°16'22"W
- Eastings/Northings: 314506, 335995
- OS Grid: SJ145359
- Mapcode Local: GBR 6T.NHGG
- Mapcode Global: WH788.PZPZ
Location and coordinates are for the approximate centre of Bryn Du within this administrative area.
Geographic features and populated places may cross administrative borders.