Route: Col du Glandon & Col de la Croix de Fer
Distance: 60 miles
Ascent: 2,200 – 6,780 ft
Information: Col du Glandon (el. 1924 m.) is a high mountain pass in the Dauphiné Alps in Savoie, France, linking Bourg d’Oisans to La Chambre.
The pass is only open from June to October. It is sometimes used by the Tour de France in July.
Col de la Croix de Fer (el. 2067 m.) is a high mountain pass in the French Alps linking Le Bourg-d’Oisans and Saint-Jean-de-Maurienne.
The pass has featured in the Tour de France fifteen times since it was first passed in the 1947 tour