This is an inspirational and definitive rock climbing guidebook to the routes and bouldering of the north-eastern sector of Yorkshire Gritstone. It is produced by the Yorkshire Mountaineering Club and compiled by a team of volunteers. Climbing areas covered by this guidebook (Volume One of a two volume set): Almscliff; Caley and The Chevin; Brimham and Outlying Crags; Great Wolfrey to Eavestone; Barden Fell to Hunter's Stones (inc. Simon's Seat); The Slipstones Area; and, Hetchell and Outlying Crags. It features: over 50 Yorkshire Gritstone crags like you've never seen them before; over 2000 routes from Moderate to E8; 2000 boulder problems from Font 1 to Font 8b+; over 150 full-colour action photographs; hundreds of full-colour photo topos; over 65 crag access maps and aerial photographs; 6 bouldering circuits taking you to the classics and unsung gems; profiles of the climbers that shaped the Yorkshire Grit scene; and, full first ascent details, climbing history and graded lists.