- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°22'22"N 6°5'25"W
- Eastings/Northings: 154182, 838793
- OS Grid: NG541387
- Mapcode Local: GBR C9B7.K13
- Mapcode Global: WGZ89.DYZ5
Location and coordinates are for the approximate centre of Sgeir Chnapach within this administrative area.
Geographic features and populated places may cross administrative borders.