- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 53°5'14"N 4°1'6"W
- Eastings/Northings: 264918, 356374
- OS Grid: SH649563
- Mapcode Local: GBR 5V.9GBL
- Mapcode Global: WH54W.7NQH
Location and coordinates are for the approximate centre of Cwmffynnon within this administrative area.
Geographic features and populated places may cross administrative borders.