- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°30'28"N 6°17'2"W
- Eastings/Northings: 150574, 965708
- OS Grid: NB505657
- Mapcode Local: GBR B6W7.LF6
- Mapcode Global: WGY1N.FFW3
Location and coordinates are for the approximate centre of Gealltuig within this administrative area.
Geographic features and populated places may cross administrative borders.