- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 53°22'29"N 4°28'1"W
- Eastings/Northings: 235970, 389288
- OS Grid: SH359892
- Mapcode Local: GBR HMBS.BGV
- Mapcode Global: WH425.BFZL
Location and coordinates are for the approximate centre of Llyn Bwch within this administrative area.
Geographic features and populated places may cross administrative borders.