Col de Pailhères is one of several challenging climbs near Ax Les Thermes. As of 2017 This Col (also known as Port de Pailhères) has been included in the Tour de France 5 times between 2003 and 2013. Of the 5 tour appearances, 4 of those finished on Ax-3 Domaines.
Col de Pailheres East
Steepest kilometer begins at km 10.1 (10.4%)
Col de Pailheres West
Steepest kilometer starts at km 15.6 (10.1%)