Onllwyn is a hill or mountain in Rhondda, Cynon, Taff
Parish/Community: Llwydcoed
Unitary Authority: Rhondda, Cynon, Taff
Region: Wales
Category: Geographic Feature
Type: Hill or Mountain
Latitude/Longitude: 51°46'14"N 3°26'58"W
Eastings/Northings: 300084, 208987
OS Grid: SO000089
Mapcode Local: GBR YL.ZR0C
Mapcode Global: VH6CQ.5R8J
Location and coordinates are for the approximate centre of Onllwyn within this administrative area.
Geographic features and populated places may cross administrative borders.