NPRNTeitlMath O SaflePerthynasNPRN85838TeitlCil-Cewydd Mill, Sluice Bridge (Leighton Estate)Math O Saflen/aPerthynasConsists ofNPRN91590TeitlBlaenavon World Heritage Site AreaMath O Saflen/aPerthynasPart ofNPRN88077TeitlBlaenavon Industrial Landscape ProjectMath O Saflen/aPerthynasPart of
