- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°35'17"N 3°39'57"W
- Eastings/Northings: 284675, 189005
- OS Grid: SS846890
- Mapcode Local: GBR H8.C4LH
- Mapcode Global: VH5H3.DBRX
Location and coordinates are for the approximate centre of Cwm Cerdin within this administrative area.
Geographic features and populated places may cross administrative borders.