Part 3 of the SW100. Leaving the Storey Arms climb to cross the central Beacons and on to Carn Pica. Descend to Talybont Reservoir Dam and then climb Mynydd Tor y Foel. Then south to cross the flank of Mynydd Llangynidr and on to reach Trefil. Then over Rhymney Hill and on to Mynydd Bedwellte and downhill to New Tredegar
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