- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°27'43"N 3°50'2"W
- Eastings/Northings: 275500, 286500
- OS Grid: SN755865
- Mapcode Local: GBR 93.KSTQ
- Mapcode Global: VH4F9.HCJT
Location and coordinates are for the approximate centre of Nant-y-moch Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.