- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°51'34"N 5°18'2"W
- Eastings/Northings: 172811, 223053
- OS Grid: SM728230
- Mapcode Local: GBR C4.T1TB
- Mapcode Global: VH0TL.2JJ6
Location and coordinates are for the approximate centre of Carreg yr Esgob within this administrative area.
Geographic features and populated places may cross administrative borders.