- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°23'35"N 1°51'35"W
- Eastings/Northings: 408527, 833662
- OS Grid: NK085336
- Mapcode Local: GBR P9R5.QMG
- Mapcode Global: WHBQT.DFMK
Location and coordinates are for the approximate centre of Summer Cairn within this administrative area.
Geographic features and populated places may cross administrative borders.