- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 52°53'31"N 4°39'25"W
- Eastings/Northings: 221345, 336047
- OS Grid: SH213360
- Mapcode Local: GBR 50.PWP1
- Mapcode Global: WH338.FKKP
Location and coordinates are for the approximate centre of Rhôs-porth-ychain within this administrative area.
Geographic features and populated places may cross administrative borders.