A guidebook to walking the Pennine Way, England's toughest National Trail. Suited to fit experienced walkers, the 427km (265 mile) route from Edale to Kirk Yetholm follows northern England's mountainous spine, passing through three national parks: the Peak District, the Yorkshire Dales and Northumberland. The route is described from south to north in 20 stages of between 11 and 32km (7-20 miles).