- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°0'29"N 3°59'28"W
- Eastings/Northings: 266500, 347500
- OS Grid: SH665475
- Mapcode Local: GBR 5W.GGZC
- Mapcode Global: WH558.NNN8
Location and coordinates are for the approximate centre of Llyn Cwm-corsiog within this administrative area.
Geographic features and populated places may cross administrative borders.