- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°52'11"N 3°47'56"W
- Eastings/Northings: 276240, 220578
- OS Grid: SN762205
- Mapcode Local: GBR Y4.S8BW
- Mapcode Global: VH5FP.38H9
Location and coordinates are for the approximate centre of Cwm Sawdde Fechan within this administrative area.
Geographic features and populated places may cross administrative borders.