- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°49'25"N 3°25'46"W
- Eastings/Northings: 301580, 214858
- OS Grid: SO015148
- Mapcode Local: GBR YM.W9Z5
- Mapcode Global: VH6CJ.HFV9
Location and coordinates are for the approximate centre of Cwm Llysïog within this administrative area.
Geographic features and populated places may cross administrative borders.