Col du Portillon

The Col du Portillon (El coll de Portilló) (elevation 1293 m) is a mountain pass in the Pyrenees on the border between France and Spain. It connects Bagnères-de-Luchon in France with Bossòst in the Val d'Aran, Spain.

Details of climb
Starting from Bossòst, the climb is 8.6 km long. Over this distance, the climb is 583 m at an average of 6.8%. The steepest section is at 8.2%, 3 km from the summit.

Starting from Bagnères-de-Luchon, the climb is 10.2 km long. Over this distance, the climb is 663 m at an average of 6.5%. The final 7.9 km is at an average gradient of 8.4%, with the steepest section being at 13.9%.

Appearances in Tour de France
The Col du Portillon was first used in the Tour de France in 1957, since when it has featured 20 times, most recently in 2018, when the leader over the summit was Adam Yates.