- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°23'52"N 3°55'9"W
- Eastings/Northings: 269500, 279500
- OS Grid: SN695795
- Mapcode Local: GBR 8Z.Q3LW
- Mapcode Global: VH4FG.0ZTM
Location and coordinates are for the approximate centre of Cwm Rheidol Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.