- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°11'22"N 7°2'51"W
- Eastings/Northings: 103480, 933417
- OS Grid: NB034334
- Mapcode Local: GBR 87Z2.QP2
- Mapcode Global: WGW0K.QF56
Location and coordinates are for the approximate centre of Tolm within this administrative area.
Geographic features and populated places may cross administrative borders.