Etapp: 4 (totalt: 4 av 21)
Start: Argeles-Gazost
Mål: Pla d’Adet
Längd: 97 km
Höjdmeter: +3600 m

Tourmalet, 2,117M (1st category), 1,781M+ over 29.8KM, 6% avg

Hourquette-Ancizan, 1,564m (1st category), 796M+ over 17KM, 4.2%

Pla d’Adet, 1660m (2nd category), 990M+ over 10.1KM, 9.8%