- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°40'19"N 2°26'14"W
- Eastings/Northings: 374013, 864764
- OS Grid: NJ740647
- Mapcode Local: GBR N8BF.XTF
- Mapcode Global: WH8LX.JFLF
Location and coordinates are for the approximate centre of Top Castle within this administrative area.
Geographic features and populated places may cross administrative borders.