- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°44'3"N 4°39'5"W
- Eastings/Northings: 212979, 96095
- OS Grid: SX129960
- Mapcode Local: GBR N5.34Z0
- Mapcode Global: FRA 1744.HML
Location and coordinates are for the approximate centre of Northern Door within this administrative area.
Geographic features and populated places may cross administrative borders.