Route TT COL DE LISERAIN  

The highest pass of the the Alps can get a fair bit of tourist traffic. From the North the roads goes up and down and through tunnels past the lake and tunnels of Tignes. From the South the climb starts at Bonneval.

The Col de l'Iseran is situated inRhone Alpes and belongs to the Alps. Starting from Bourg Saint Maurice, the Col de l'Iseran ascent is 48 km long. Over this distance, you climb 1955 heightmeters. The average percentage is thus 4.1 %.