- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°1'49"N 5°4'14"W
- Eastings/Northings: 189462, 241345
- OS Grid: SM894413
- Mapcode Local: GBR CF.GBXR
- Mapcode Global: VH1QD.2778
Location and coordinates are for the approximate centre of Carreg y Wrach within this administrative area.
Geographic features and populated places may cross administrative borders.