- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°52'36"N 6°24'33"W
- Eastings/Northings: 83341, 6734
- OS Grid: SV833067
- Mapcode Local: GBR BYK0.93Z
- Mapcode Global: VGYC8.VCL6
Location and coordinates are for the approximate centre of Round Rock within this administrative area.
Geographic features and populated places may cross administrative borders.