- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 51°49'51"N 3°27'38"W
- Eastings/Northings: 299444, 215717
- OS Grid: SN994157
- Mapcode Local: GBR YL.VVLD
- Mapcode Global: VH5G1.Y7VP
Location and coordinates are for the approximate centre of Cantref Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.