- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°41'11"N 1°31'25"E
- Eastings/Northings: 638258, 315702
- OS Grid: TG382157
- Mapcode Local: GBR XJM.G34
- Mapcode Global: WHMTC.CQVR
Location and coordinates are for the approximate centre of Cow Holm within this administrative area.
Geographic features and populated places may cross administrative borders.