From-http://www.letour.fr/2008/TDF/COURSE/us/index.html

Running from Saturday July 5th to Sunday July 27th 2008, the 95th Tour de France will be made up of 21 stages and will cover a total distance of 3,500 kilometres.

These 21 stages have the following profiles:

10 flat stages, 5 mountain stages, 4 medium mountain stages, 2 individual time-trial stages. Distinctive aspects of the race

4 mountain finishes, 2 rest days, 82 kilometres of individual time-trials, 17 Category 1, Category 2 and highest level passes will be climbed