NPRNTeitlMath O SaflePerthynasNPRN405139TeitlIncline Head-Incline Stage 1, Llanfoist InclinesMath O Saflen/aPerthynasConsists ofNPRN91590TeitlBlaenavon World Heritage Site AreaMath O Saflen/aPerthynasPart ofNPRN85860TeitlHill's TramroadMath O Saflen/aPerthynasPart ofNPRN405165TeitlIncline Stage 4, Llanfoist InclinesMath O Saflen/aPerthynasAssociated withNPRN405140TeitlBuilding I, Incline Head- Stage 1, Llanfoist InclinesMath O Saflen/aPerthynasConsists ofNPRN91649TeitlIncline Stage 2, Llanfoist InclinesMath O Saflen/aPerthynasAssociated withNPRN405141TeitlBuilding II , Incline Head- Stage 1, Llanfoist InclinesMath O Saflen/aPerthynasConsists ofNPRN405096TeitlLlanfoist Inclines, Hill's TramroadMath O Saflen/aPerthynasPart ofNPRN91650TeitlIncline Stage 3, Llanfoist InclinesMath O Saflen/aPerthynasAssociated with