- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°0'5"N 4°24'0"W
- Eastings/Northings: 231697, 125214
- OS Grid: SS316252
- Mapcode Local: GBR K8.K94D
- Mapcode Global: FRA 16NG.RLN
Location and coordinates are for the approximate centre of Gallant Rock within this administrative area.
Geographic features and populated places may cross administrative borders.