- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°32'15"N 6°46'54"W
- Eastings/Northings: 106140, 748632
- OS Grid: NM061486
- Mapcode Local: GBR 9CNF.LDR
- Mapcode Global: WGX9R.SYP5
Location and coordinates are for the approximate centre of Tromslum Beag within this administrative area.
Geographic features and populated places may cross administrative borders.