Ordnance Survey Brecon Beacons National Park / Parc Cenedlaethol Bannau Brycheiniog Map OL 13Enhances your walk with information on rare wildlife, natural habitats and points of historical interest 28 mostly circular walks in one guidebook, ranging from 3?? 9 miles Walks are graded by length and difficulty ensuring a range of routes suitable for walkers of varying experience and mobility Plunge into the heart of the magnificent Brecon Beacons from quirky Hay on Wye or Abergavenny, the gateway to Wales sheltering under the iconic Sugar Loaf.