- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°59'47"N 3°10'55"W
- Eastings/Northings: 318934, 233786
- OS Grid: SO189337
- Mapcode Local: GBR YY.JC9T
- Mapcode Global: VH6BW.S2KQ
Location and coordinates are for the approximate centre of Cwm Rhyd-Ellywe within this administrative area.
Geographic features and populated places may cross administrative borders.