- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°7'5"N 3°51'42"W
- Eastings/Northings: 275500, 359500
- OS Grid: SH755595
- Mapcode Local: GBR 61.7JF4
- Mapcode Global: WH54R.NW9G
Location and coordinates are for the approximate centre of Llyn Bychan within this administrative area.
Geographic features and populated places may cross administrative borders.