- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°39'17"N 3°56'38"W
- Eastings/Northings: 265622, 196907
- OS Grid: SS656969
- Mapcode Local: GBR WRW.SF
- Mapcode Global: VH4K3.LNBQ
Location and coordinates are for the approximate centre of Cwmgelli within this administrative area.
Geographic features and populated places may cross administrative borders.