Published by Lyn on 11 June 2015
Here is the amended Marmotte sportive route on July 4 to get around the problems with the Chambon tunnel.
Here it is - it isn't the 'normal' route but the organisers of this year's Marmotte sportive have had to amend the usual route to get around the problems caused by the structural issues at the Chambon tunnel (see here for the background and concerns over the Tour de France route).