- Category: Water Feature
- Type: Island
- Latitude/Longitude: 55°55'34"N 2°16'34"W
- Eastings/Northings: 382843, 670387
- OS Grid: NT828703
- Mapcode Local: GBR NFQ1.RY1
- Mapcode Global: WH9XN.09DN
Location and coordinates are for the approximate centre of Hirst Rocks within this administrative area.
Geographic features and populated places may cross administrative borders.