- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°58'44"N 4°8'8"W
- Eastings/Northings: 256706, 344540
- OS Grid: SH567445
- Mapcode Local: GBR 5P.J9W7
- Mapcode Global: WH55D.FDV2
Location and coordinates are for the approximate centre of Cwm-y-Fedw within this administrative area.
Geographic features and populated places may cross administrative borders.