Top international climber Dave MacLeod and the John Muir Trust will lead a guided walk into the corries of the North Face of Ben Nevis on Sunday 24 July as part of the countdown to the London 2012 Olympics. The chance to explore the climbing history of Britain’s highest mountain in the company of one of Britain’s leading climbers is part of a series of sporting and cultural events taking place across the UK to celebrate the ‘One Year to Go’ countdown to the Olympic and Paralympic Games. During the walk the exciting climbing secrets of the mountain will be…