- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°57'27"N 3°32'57"W
- Eastings/Northings: 296015, 341136
- OS Grid: SH960411
- Mapcode Local: GBR 6G.KN9J
- Mapcode Global: WH66T.GX1L
Location and coordinates are for the approximate centre of Cwm Da within this administrative area.
Geographic features and populated places may cross administrative borders.