Oisans mountain passes · Cycling
Col du Glandon
The northern slope from the Maurienne, long and demanding, next to the Croix de Fer.
Live weather
Real-time · Open-Meteo. The mountain top weather often differs from the valley.
Climb profile — La Chambre (Maurienne)
Calculated from our GPX track (IGN altitude). Segments coloured according to the gradient.
Gradient kilometre by kilometre view details
Did you climb it? Take it home. 🏆
Your exact-scale 3D relief map — Col du Glandon engraved on an oak base, customisable with your name and your time.
From 49,90 €
View 3D map →
How long does it take to go up?
Estimate based on your power-to-weight ratio (physical model, validated against real times). Indicative only.
Col du Glandon by bicycle from La Chambre
Right next to the Croix de Fer (the two summits are only 2.5 km apart), the Col du Glandon is climbed from its north face since The Room, in the Maurienne valley: 22.1 km and 1,482 m of elevation gain at an average gradient of 6.6 %, up to the summit at 1,924 m. The climb, which starts off at a steady gradient, is interrupted by a short flat section in the middle before steepening again in the final kilometres.
Difficulty
Classified Unclassified, the Glandon combines length and sections of up to 12 %, particularly in the final section. The consistency of the average gradient hides these steeper climbs. Best period: from June to October.
Glandon and Croix de Fer, the La Marmotte duo
The Glandon and the Croix de Fer share the same road in their upper section and form a classic climb combination of the Tour de France and the sportive The Marmotte. From the summit, you drop down in a few minutes towards the Croix de Fer.
Frequently asked questions
What is the length of the Col du Glandon from La Chambre?
22.1 km for 1,482 m elevation gain, averaging 6.6 %.
How does it differ from the Col de la Croix de Fer?
The two mountain passes are close to each other (2.5 km) and share the road at the summit. The Glandon reaches an altitude of 1,924 m, and the Croix de Fer 2,067 m.
What is the altitude of the pass?
The summit of the Col du Glandon is located at 1,924 m.
Neighbouring Cols — Grandes Rousses & Maurienne
Route © OpenStreetMap contributors · Altitude © IGN RGE ALTI · Max gradient over 100 m : climbfinder.