- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°8'39"N 3°54'27"W
- Eastings/Northings: 272500, 362500
- OS Grid: SH725625
- Mapcode Local: GBR 5Z.5Z4P
- Mapcode Global: WH54Q.Y7C9
Location and coordinates are for the approximate centre of Llyn Cowlyd Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.