thebreconbeacons.wales 3 23 Around Brecon 27 Crickhowell and Abergavenny 31 Hay-on-Wye and Talgarth 35 Talybont-on-Usk, Llangynidr, Bwlch and Llangors 39 Llandovery and Llandeilo 42 Merthyr Tydfil 45 Craig y Nos and the Upper Swansea Valley