- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 53°2'17"N 4°4'20"W
- Eastings/Northings: 261148, 350986
- OS Grid: SH611509
- Mapcode Local: GBR 5S.DM6V
- Mapcode Global: WH551.FW0S
Location and coordinates are for the approximate centre of Cwm y Bleiddiaid within this administrative area.
Geographic features and populated places may cross administrative borders.