- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°55'53"N 3°50'51"W
- Eastings/Northings: 275901, 338724
- OS Grid: SH759387
- Mapcode Local: GBR 62.M7T1
- Mapcode Global: WH55Q.VLX0
Location and coordinates are for the approximate centre of Llyn Conglog-mawr within this administrative area.
Geographic features and populated places may cross administrative borders.