- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 51°48'57"N 4°4'40"W
- Eastings/Northings: 256858, 215093
- OS Grid: SN568150
- Mapcode Local: GBR DR.WYYP
- Mapcode Global: VH4J8.8MG4
Location and coordinates are for the approximate centre of Llyn Llech Owen within this administrative area.
Geographic features and populated places may cross administrative borders.