- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°8'12"N 4°32'41"W
- Eastings/Northings: 225940, 251770
- OS Grid: SN259517
- Mapcode Local: GBR D4.7HCS
- Mapcode Global: VH2MK.5KQC
Location and coordinates are for the approximate centre of Fathgarreg within this administrative area.
Geographic features and populated places may cross administrative borders.