- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 53°4'3"N 4°1'45"W
- Eastings/Northings: 264125, 354178
- OS Grid: SH641541
- Mapcode Local: GBR 5T.BRPX
- Mapcode Global: WH552.25J6
Location and coordinates are for the approximate centre of Cwm Dyli within this administrative area.
Geographic features and populated places may cross administrative borders.