A number of these sectors are taken from the parcours of Paris-Roubaix, including the five-star sector of Mons-en-Pévèle.
After a rest day by the shores of Lake Annecy the riders face their first mountain test of the race, with four climbs on the way to Le Grand-Bornand.
Sarzeau will host a Tour de France stage finish for the first time in its history, which will surely be attended by the town’s mayor, and president of the UCI, David Lappartient.
A tricky stage through Brittany, this stage features barely a kilometre of flat road as the riders face five categorised climbs and countless other uncategorised climbs over the 181km between Lorient and Quimper.
A long day in the saddle to bring the race into the mountains, the first two-thirds of the stage are flat before the triple whammy of the Col de Portet-d’Aspet, the Col de Menté, and the Col du Portillon.