- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 53°12'49"N 3°39'5"W
- Eastings/Northings: 289810, 369796
- OS Grid: SH898697
- Mapcode Local: GBR 6B.1FH3
- Mapcode Global: WH65L.WHB2
Location and coordinates are for the approximate centre of Dyffryn Elwy within this administrative area.
Geographic features and populated places may cross administrative borders.