Topoguide (en anglais) de l'éditeur Cicerone. Description fournie par l'éditeur :Guidebook to 30 varied walks of 3 - 10 miles, in the valley of the Wye, the most scenic river in England and Wales, between Chepstow in the south and Plynlimon. Landscape ranges from open moorland to wooded gorges and is dotted with the sites of Iron Age hillforts and castles. Centres include Ross-on-Wye, Hereford, Hay-on-Wye and Rhayader. Seasons. All walks can be enjoyed in any season, although care needs to be taken on the mountain and moorland walks in the upper valley in winter; risk of winter flooding between Hereford and Monmouth. Centres : Chepstow, Monmouth, Ross-on-Wye, Hereford, Hay-on-Wye, Builth Wells and Rhayader. Difficulty : A number of the walks, especially in the upper valley, require good navigational skills and (in one or two cases) a degree of stamina. Must See : Spectacular river scenery, with huge meanders and a classic limestone gorge; soaring moorlands in the 'green desert' of md-Wales; ancient routes including part of the iconic Monks' Trod; Palaeolithic bone caves and Neolithic burial chambers; and border castles, Tintern Abbey and industrial archaeology.