- Category: Geographic Feature
- Type: Cirque or Hollow
- Latitude/Longitude: 53°5'3"N 4°4'35"W
- Eastings/Northings: 261015, 356141
- OS Grid: SH610561
- Mapcode Local: GBR 5S.9L78
- Mapcode Global: WH54V.CQ0S
Location and coordinates are for the approximate centre of Cwm Hetiau within this administrative area.
Geographic features and populated places may cross administrative borders.