The essential map for outdoor activities in Kielder Water & Forest. The OS Explorer Map is the Ordnance Survey's most detailed folding map & is recommended for anyone enjoying outdoor activities including walking, horse riding & off-road cycling. This map now comes with a digital version which you can download to your smartphone or tablet. Features Pennine Way (National Trail)E2 (European Long Distance Route) Borders Northumberland 1:25 000 scale (4 cm to 1 km ' 2.5 inches to 1 mile) This map comes with a digital version which you can download to your smartphone or tablet.