- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 53°0'36"N 3°59'8"W
- Eastings/Northings: 266868, 347714
- OS Grid: SH668477
- Mapcode Local: GBR 5W.GJ8T
- Mapcode Global: WH558.RL6R
Location and coordinates are for the approximate centre of Llyn Côch within this administrative area.
Geographic features and populated places may cross administrative borders.