- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°34'28"N 3°50'19"W
- Eastings/Northings: 275495, 299021
- OS Grid: SN754990
- Mapcode Local: GBR 92.BZFJ
- Mapcode Global: WH68M.0KB0
Location and coordinates are for the approximate centre of Llyn Glanmerin within this administrative area.
Geographic features and populated places may cross administrative borders.