- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 51°37'49"N 3°48'10"W
- Eastings/Northings: 275308, 193929
- OS Grid: SS753939
- Mapcode Local: GBR H3.8D51
- Mapcode Global: VH5GV.19D1
Location and coordinates are for the approximate centre of Cefn-cwrt Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.