- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°59'50"N 4°14'55"W
- Eastings/Northings: 249186, 346803
- OS Grid: SH491468
- Mapcode Local: GBR 5K.H6D3
- Mapcode Global: WH440.QX0L
Location and coordinates are for the approximate centre of Cwm-yr-Haf within this administrative area.
Geographic features and populated places may cross administrative borders.