Rheidol
Vale of Rheidol Railway
List of Vale of Rheidol Railway rolling stock
Afon Rheidol
Aberystwyth Rheidol
Coed Rheidol National Nature Reserve
Rheidol Power Station
GWR Rheidol Tanks
Rheidol (locomotive)
Rheidol Falls railway station
List of stations and halts on the Vale of Rheidol Railway
List of Sites of Special Scientific Interest in Ceredigion