- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°52'44"N 5°23'25"W
- Eastings/Northings: 166735, 225470
- OS Grid: SM667254
- Mapcode Local: GBR C0.RX5C
- Mapcode Global: VH0TJ.J13G
Location and coordinates are for the approximate centre of Carreg Rhoson within this administrative area.
Geographic features and populated places may cross administrative borders.