- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°6'51"N 3°51'45"W
- Eastings/Northings: 272550, 247868
- OS Grid: SN725478
- Mapcode Local: GBR Y1.8Y8P
- Mapcode Global: VH4H1.039Y
Location and coordinates are for the approximate centre of Bryn Arau Duon within this administrative area.
Geographic features and populated places may cross administrative borders.