- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°53'44"N 4°24'14"W
- Eastings/Northings: 238388, 335859
- OS Grid: SH383358
- Mapcode Local: GBR 5B.PQP0
- Mapcode Global: WH44J.BG3V
Location and coordinates are for the approximate centre of Nant Stigallt Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.