- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°1'25"N 4°31'36"W
- Eastings/Northings: 222895, 127973
- OS Grid: SS228279
- Mapcode Local: GBR K3.HT7V
- Mapcode Global: FRA 16DD.XZ1
Location and coordinates are for the approximate centre of Tense Rocks within this administrative area.
Geographic features and populated places may cross administrative borders.