- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°52'33"N 2°13'14"W
- Eastings/Northings: 386651, 776089
- OS Grid: NO866760
- Mapcode Local: GBR XK.8GB7
- Mapcode Global: WH9S0.VFQM
Location and coordinates are for the approximate centre of Powdam Head within this administrative area.
Geographic features and populated places may cross administrative borders.