This is a Mountain Bike Guide to Northumberland covering the whole county from the Scottish border down to Bishop Auckland and the A689 in the south and from the east coast to Haltwhistle. It includes 40 new maps printed in colour accompanied by route profiles and plotting plans. Route descriptions include local history. It features routes of mixed length and degree of difficulty - options to link some to extend the challenge for the fittest. It is a part of the "Ernest Press" series of mountain bike guidebooks.