Port de Pailhères (or Col de Pailhères) ia a Cat HC climb in Ariége between Mijanès (south-east) and Ax-les-Thermes(west). The summit is 2001 metres altitude. It was first used in the 2003 Tour de France, since then it has become one of the most popular climbs with cyclotourists. Port de Pailhères has replaced Col de Puymorens (busy road) as the most popular route for cyclists doing a coast to coast ride.
Cat HC from Mijanes, the Col de Pailhères is 10.6 km @ 8.2%, gaining 871 m. Road D25. Lots of hairpins.
Cat HC from Ax-les-Thermes, the Col de Pailhères is 18.6 km @ 6.9%, gaining 1281 m. It gets steeper near the summit with a max of 10.5%. Road D25.
2003 : Mercado
2005 : Totschnig
2007 : R. Perez
2010 : Riblon
2013 : Nairo Quintana