NPRNTeitlMath O SaflePerthynasNPRN91590TeitlBlaenavon World Heritage Site AreaMath O Saflen/aPerthynasPart ofNPRN405138TeitlIncline Head-Incline Stage 2, Llanfoist InclinesMath O Saflen/aPerthynasConsists ofNPRN85860TeitlHill's TramroadMath O Saflen/aPerthynasPart ofNPRN405165TeitlIncline Stage 4, Llanfoist InclinesMath O Saflen/aPerthynasAssociated withNPRN270132TeitlTramway Bridge-Incline Stage 2, Llanfoist InclinesMath O Saflen/aPerthynasConsists ofNPRN91650TeitlIncline Stage 3, Llanfoist InclinesMath O Saflen/aPerthynasAssociated withNPRN405096TeitlLlanfoist Inclines, Hill's TramroadMath O Saflen/aPerthynasPart ofNPRN91648TeitlIncline Stage 1, Llanfoist InclinesMath O Saflen/aPerthynasAssociated with