A guide to walking and trekking routes, on both the French and Italian sides of Mont Blanc (Monte Bianco), from Chamonix or Courmayeur. Includes 50 day walks and 4 short multi-day treks for Vallorcine to Plaine Joux, Tour des Aiguilles Rouges, Vallorcine to Servoz and a circuit of the Italian Val Ferret. New, updated edition with 50 new route maps.