Hardest Stage Tour De France 2025. Race director christian prudhomme has already revealed that the race will not leave the country in this year, but the route is still being worked on. Some were speculating that cobbles would be on the menu in the early stages, but they are absent from the routes.
The climb, col de la loze, topped our top five hardest climbs of the tour de france 2023. Luc claessen // getty images.