- Category: Water Feature
- Type: Island
- Latitude/Longitude: 60°38'50"N 1°10'14"W
- Eastings/Northings: 445456, 1196280
- OS Grid: HU454962
- Mapcode Local: GBR R0GL.N83
- Mapcode Global: XHF7M.5MGZ
Location and coordinates are for the approximate centre of Ern Stack within this administrative area.
Geographic features and populated places may cross administrative borders.