**The Tour de France celebrates 100 years since it first ventured into the Pyrenees mountains by including several legendary climbs in the 2010 race.**The Col du Tourmalet will be ridden twice in both directions as the race spends four days in the Bearn region which separates France from Spain.
The race starts in Dutch city Rotterdam with a nine kilometre prologue time trial on Saturday, 3 July.
The following day, the riders leave Rotterdam for Belgian capital Brussels.
Tour director Christian Prudhomme said: "In 1910 the Tour witnessed a revolution and invented mountains.
606: DEBATE
“What do you make of the route”
BBC Sport’s Peter Scrivener
“We had the first climb of over 2,000m up Col du Tourmalet that had bears roaming on the mountains.”
The race finishes on 25 July, as always, on the Champs-Elysees in the French capital Paris.
More to follow.