- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 53°22'33"N 4°27'49"W
- Eastings/Northings: 236214, 389415
- OS Grid: SH362894
- Mapcode Local: GBR HMCS.63B
- Mapcode Global: WH425.DDPN
Location and coordinates are for the approximate centre of Llyn Bwch within this administrative area.
Geographic features and populated places may cross administrative borders.