- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°56'49"N 6°22'27"W
- Eastings/Northings: 86307, 14401
- OS Grid: SV863144
- Mapcode Local: GBR BXNT.F36
- Mapcode Global: VGYBX.GLJB
Location and coordinates are for the approximate centre of Round Rock within this administrative area.
Geographic features and populated places may cross administrative borders.