- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°18'33"N 4°4'24"W
- Eastings/Northings: 252452, 47526
- OS Grid: SX524475
- Mapcode Local: GBR NZ.YX3B
- Mapcode Global: FRA 28C6.T0R
Location and coordinates are for the approximate centre of Mouth Stone within this administrative area.
Geographic features and populated places may cross administrative borders.