Map No. 87, Hexham & Haltwhistle, in the Ordnance Survey Landranger series at 1:50, 000, including Garrigill, Leadgate, Alston, Nenthead, Lanehead, Rookhope, Waskerley, Allenheads, Spartylea, Ramshaw, Edmundbyers, Blachl&, Sinderhope, Allendale Town, Ninebanks, Slaggyford, Eals, Bearsbridge, Whitley Chapel, Slayley, Stocksfield, Corbridge, Halton Shields, Acomb, Haydon Bridge, Langley, Rowfoot, Henshaw, Stonehaugh, Wark, Gunnerton, Simonburn, Colwell, Humshaugh, Matfen, Hallington & Kirkheaton, with the Northumberland National Park, Wark Forest, Derwent, Reservoir, the peak of War Law, & the Pennine Way & Hadrian