- Category: Water Feature
- Type: Wetland
- Latitude/Longitude: 51°42'16"N 4°56'42"W
- Eastings/Northings: 196600, 204754
- OS Grid: SM966047
- Mapcode Local: GBR G7.VRK3
- Mapcode Global: VH1S0.7FK3
Location and coordinates are for the approximate centre of Grid Iron within this administrative area.
Geographic features and populated places may cross administrative borders.