NPRNTeitlMath O SaflePerthynasNPRN91590TeitlBlaenavon World Heritage Site AreaMath O Saflen/aPerthynasPart ofNPRN91636TeitlReservoir, Pwll-Du QuarryMath O Saflen/aPerthynasConsists ofNPRN85859TeitlPwll-Du Limestone QuarriesMath O Saflen/aPerthynasPart of
