- Category: Water Feature
- Type: Island
- Latitude/Longitude: 53°13'3"N 4°30'48"W
- Eastings/Northings: 232271, 371899
- OS Grid: SH322718
- Mapcode Local: GBR 56.181N
- Mapcode Global: WH42X.MDW5
Location and coordinates are for the approximate centre of Carreglydan within this administrative area.
Geographic features and populated places may cross administrative borders.