- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°52'1"N 6°23'10"W
- Eastings/Northings: 84931, 5535
- OS Grid: SV849055
- Mapcode Local: GBR BYM1.1NG
- Mapcode Global: VGYC9.8L8T
Location and coordinates are for the approximate centre of Carn Ithen within this administrative area.
Geographic features and populated places may cross administrative borders.