- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°57'14"N 6°21'48"W
- Eastings/Northings: 87119, 15111
- OS Grid: SV871151
- Mapcode Local: GBR BXPT.002
- Mapcode Global: VGYBX.NF63
Location and coordinates are for the approximate centre of Black Carn within this administrative area.
Geographic features and populated places may cross administrative borders.