The best circular walks in Loch Lomond. The Ordnance Survey Pathfinder series provides comprehensive information on local walks of varying lengths around Loch Lomond. The series uses written descriptions and Ordnance Survey mapping to guide walkers along circular, graded routes around the area. A comprehensive guide book for walks in Loch Lomond Contains circular, graded walks Wide range of walks available Paperback Contains OS explorer maps Recommended activity - walking / hiking