- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 53°16'38"N 3°52'58"W
- Eastings/Northings: 274550, 377260
- OS Grid: SH745772
- Mapcode Local: GBR 1ZBJ.5V
- Mapcode Global: WH53Z.BW7C
Location and coordinates are for the approximate centre of Alltwen within this administrative area.
Geographic features and populated places may cross administrative borders.