- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°13'4"N 4°18'55"W
- Eastings/Northings: 245500, 371500
- OS Grid: SH455715
- Mapcode Local: GBR 5G.185X
- Mapcode Global: WH430.PC7T
Location and coordinates are for the approximate centre of Malltraeth Marsh within this administrative area.
Geographic features and populated places may cross administrative borders.