- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°53'10"N 6°22'8"W
- Eastings/Northings: 86285, 7603
- OS Grid: SV862076
- Mapcode Local: GBR BXNZ.HH6
- Mapcode Global: VGYC9.K492
Location and coordinates are for the approximate centre of South Carn within this administrative area.
Geographic features and populated places may cross administrative borders.