- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 53°4'8"N 4°5'36"W
- Eastings/Northings: 259837, 354456
- OS Grid: SH598544
- Mapcode Local: GBR 5R.BN3W
- Mapcode Global: WH551.3414
Location and coordinates are for the approximate centre of Llyn Coch within this administrative area.
Geographic features and populated places may cross administrative borders.