Map sheet number OL31 in the OS Explorer series covers an area of the North Pennines AONB, Barnard Castle, Alton, and Allenheads. Highlights of the area include: Hamsterley Forest, Middleton Common, Milburn Forest, Cow Green and Burnhope Reservoirs, River Tees, Teesdale, River Wear, Weardale and a section of the Pennine Way.
With this map you will receive a code for use on your iOS or Android smartphone or tablet. Find our more at Mobile Download FAQ.
The OS Explorer map for North Pennines is available in both the standard paper version and weatherproof 'Active' version.