- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 51°50'56"N 3°31'48"W
- Eastings/Northings: 294705, 217815
- OS Grid: SN947178
- Mapcode Local: GBR YH.TP0N
- Mapcode Global: VH5FT.RSNF
Location and coordinates are for the approximate centre of Ystradfellte Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.