NPRNTeitlMath O SaflePerthynasNPRN289620TeitlPlynlimon Cwm-Biga, Cairn IMath O Saflen/aPerthynasConsists ofNPRN289621TeitlPlynlimon Cwm-Biga, Cairn IIMath O Saflen/aPerthynasConsists ofNPRN289622TeitlCarn Biga, Cairn IIIMath O Saflen/aPerthynasConsists ofNPRN304836TeitlCarn Biga I, Pumlumon CwmbigaMath O Saflen/aPerthynasConsists ofNPRN289624TeitlCarn Biga, Cairn VMath O Saflen/aPerthynasConsists ofNPRN304837TeitlCarn Biga II , Pumlumon CwmbigaMath O Saflen/aPerthynasConsists of
