- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°52'22"N 4°32'15"W
- Eastings/Northings: 229315, 333610
- OS Grid: SH293336
- Mapcode Local: GBR 55.R26X
- Mapcode Global: WH44N.81JZ
Location and coordinates are for the approximate centre of Nant Saethon within this administrative area.
Geographic features and populated places may cross administrative borders.