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.