- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 52°19'52"N 3°13'4"W
- Eastings/Northings: 317101, 271050
- OS Grid: SO171710
- Mapcode Local: GBR 9X.V8DC
- Mapcode Global: VH694.5NMP
Location and coordinates are for the approximate centre of Cwm-y-gaist within this administrative area.
Geographic features and populated places may cross administrative borders.