- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°56'10"N 6°19'12"W
- Eastings/Northings: 90120, 12960
- OS Grid: SV901129
- Mapcode Local: GBR BXSV.FWT
- Mapcode Global: VGYBY.DVPQ
Location and coordinates are for the approximate centre of Round Rock within this administrative area.
Geographic features and populated places may cross administrative borders.