NPRNTeitlMath O SaflePerthynasNPRN87046TeitlBala Junction Railway StationMath O Saflen/aPerthynasAssociated withNPRN416248TeitlNewborough Street Railway Bridge, Blaenau FfestiniogMath O Saflen/aPerthynasConsists ofNPRN41298TeitlBlaenau Ffestiniog Central Station, Ffestiniog Railway, Conwy Valley Line, Blaenau FfestiniogMath O Saflen/aPerthynasAssociated withNPRN416253TeitlGlynllifon Street Railway Bridge, Blaenau FfestiniogMath O Saflen/aPerthynasConsists ofNPRN308965TeitlCwm Prysor Railway ViaductMath O Saflen/aPerthynasConsists of
