- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°53'6"N 6°21'4"W
- Eastings/Northings: 87549, 7404
- OS Grid: SV875074
- Mapcode Local: GBR BXPZ.RKW
- Mapcode Global: VGYC9.V4NX
Location and coordinates are for the approximate centre of Western Rock within this administrative area.
Geographic features and populated places may cross administrative borders.