Col du Portillon

Col du Portillon
Col du Portillon : Spanish frontier post (1965)
Elevation	1,293 m (4,242 ft)
Traversed by	D618A / N-141
Location	Haute Garonne, France Lleida, Spain
Range	Pyrenees
Coordinates	42°46′9″N 0°39′36″E / 42.76917°N 0.66000°E / 42.76917; 0.66000Coordinates: 42°46′9″N 0°39′36″E / 42.76917°N 0.66000°E / 42.76917; 0.66000
Col du Portillon Location of Col du Portillon

The Col du Portillon (Catalan: El coll de Portilló) (elevation 1,293 metres (4,242 ft)) 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.

Starting from Bossòst, the climb is 8.6 km (5.3 mi) long. Over this distance, the climb is 583 m (1,913 ft) at an average of 6.8%. The steepest section is at 8.2%, 3 km (2 mi) from the summit.

Starting from Bagnères-de-Luchon, the climb is 10.2 km (6.3 mi) long. Over this distance, the climb is 663 m (2,175 ft) at an average of 6.5%. The final 7.9 km (4.9 mi) is at an average gradient of 8.4%, with the steepest section being at 13.9%.

The Col du Portillon was first used in the Tour de France in 1957, since when it has featured 18 times, most recently in 2006, when the leader over the summit was David de la Fuente.