- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°2'20"N 2°51'32"W
- Eastings/Northings: 346574, 683229
- OS Grid: NT465832
- Mapcode Local: GBR 2N.RKMF
- Mapcode Global: WH7TJ.1GTS
Location and coordinates are for the approximate centre of Hummell Rocks within this administrative area.
Geographic features and populated places may cross administrative borders.