The Col du lein is situated in Aargau.
This Col du lein approach starts in Sion.
The Col du lein climb is 12.87 km long. You gain 1101 heightmeters, so the average gradient is 8.5 %.
The climb is ranked 722 in the world.
If you want to climb the Col du lein, you can find more information on how to train to climb the Col du lein here.