Two days around the Mont Blanc Massif 330km 8000 m + It starts in Chamonix via Col des Montets then Col de la Forclaz, Martigny, the Col du Grand St Bernard, Aosta, La Thuile, Col du Petit St Bernard, Bourg St Maurice, the Cormet Roselend, Beaufort, Col des Saisies, Megeve, St Gervais, Le Fayet and return to Chamonix. #tmb #tourdumontblanc #bikepacking #chamonix #roadcycling #tourdefrance