- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°54'41"N 3°13'58"W
- Eastings/Northings: 317188, 335610
- OS Grid: SJ171356
- Mapcode Local: GBR 6W.NM5P
- Mapcode Global: WH78H.92RT
Location and coordinates are for the approximate centre of Llyn Gloyw-bâch within this administrative area.
Geographic features and populated places may cross administrative borders.