- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°35'22"N 3°44'21"W
- Eastings/Northings: 279614, 189306
- OS Grid: SS796893
- Mapcode Local: GBR H5.C45V
- Mapcode Global: VH5H2.49LP
Location and coordinates are for the approximate centre of Cwm Cerdinen within this administrative area.
Geographic features and populated places may cross administrative borders.