- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°43'6"N 4°52'5"W
- Eastings/Northings: 201977, 206079
- OS Grid: SN019060
- Mapcode Local: GBR G9.RV5M
- Mapcode Global: VH1S1.K2RH
Location and coordinates are for the approximate centre of Black Mixen within this administrative area.
Geographic features and populated places may cross administrative borders.