- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°33'37"N 3°53'7"W
- Eastings/Northings: 272280, 297497
- OS Grid: SN722974
- Mapcode Local: GBR 90.CZYS
- Mapcode Global: WH57G.9X02
Location and coordinates are for the approximate centre of Llyfnant Valley within this administrative area.
Geographic features and populated places may cross administrative borders.