- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 53°0'23"N 4°0'53"W
- Eastings/Northings: 264899, 347372
- OS Grid: SH648473
- Mapcode Local: GBR 5V.GP5P
- Mapcode Global: WH558.9PCF
Location and coordinates are for the approximate centre of Llyn y Biswail within this administrative area.
Geographic features and populated places may cross administrative borders.