- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°24'56"N 3°25'55"W
- Eastings/Northings: 300500, 169500
- OS Grid: ST005695
- Mapcode Local: GBR HL.Q3DB
- Mapcode Global: VH6FG.GPD1
Location and coordinates are for the approximate centre of Nant y Stepsau within this administrative area.
Geographic features and populated places may cross administrative borders.