- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°13'42"N 6°55'51"W
- Eastings/Northings: 110644, 937248
- OS Grid: NB106372
- Mapcode Local: GBR 968Z.J3J
- Mapcode Global: WGX1K.HFRQ
Location and coordinates are for the approximate centre of Sgeir Chnapach within this administrative area.
Geographic features and populated places may cross administrative borders.