- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°39'24"N 4°1'33"W
- Eastings/Northings: 259951, 197286
- OS Grid: SS599972
- Mapcode Local: GBR GW.SN4L
- Mapcode Global: VH4K2.5MG5
Location and coordinates are for the approximate centre of Cwm y Lladron within this administrative area.
Geographic features and populated places may cross administrative borders.