- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°33'59"N 3°26'23"W
- Eastings/Northings: 302500, 297500
- OS Grid: SO025975
- Mapcode Local: GBR 9M.CFPZ
- Mapcode Global: WH79Y.4R78
Location and coordinates are for the approximate centre of Llyn y Tarw within this administrative area.
Geographic features and populated places may cross administrative borders.