- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°57'21"N 6°16'47"W
- Eastings/Northings: 93132, 14977
- OS Grid: SV931149
- Mapcode Local: GBR BXWS.VQC
- Mapcode Global: VGYBZ.3CFN
Location and coordinates are for the approximate centre of Harry's Rock within this administrative area.
Geographic features and populated places may cross administrative borders.