Things to do A small selection of our favourite activities in and around O'Chambon Our favorite places The Lake Chambon The Chaudefour Valley La dent du Marais The Puy de Sancy The medieval villageof Besse Wellnessand thermal centres Les richesses du territoire The castle of Murol The caves of Cornadore Trogodyte site of Jonas Visiting local producers L'agenda duMassif du Sancy Les activités de plein air Walks and hikes Mountain biking and cycling Lake swimming Thrills:acrobranche, zip linehot air ballooning, summer sledging Trail and Climbing In winter: ski and snowshoe Notre sélection de circuits, à pied ou en vélo À pied The tour of Lake Chambon Chaudefour Valley: in the valley or around the ridges La dent du Marais En vélo The Chaudefour valleycircuit with a road bike The Murol mountain bike circuit Other mountain bike circuits En itinérance The GR30 The GTMC