An altitude finish early on the Tour is extremely rare. The Grand Départ in Nice allows the race to evolve rapidly in the spectacular scenery of Hautes-Alpes.
Stage four is the first hilly excursion in the Dévoluy mountains isn’t made to split the pack too much. But the final climb to Orcières-Merlette, 1,825 metres high, a hairpin-laden, 7.1km final ascent with an average gradient of 6.7 per cent.
It will be the first stage to finish atop the resort since the time trial in 1989.