Oisans mountain passes · Cycling
Oz-en-Oisans
The direct climb to the Oz resort: short but very steep (averaging nearly 11 %), above the Eau d’Olle valley.
Live weather
Real-time · Open-Meteo. The mountain top weather often differs from the valley.
Climb profile — Allemond (Barrage du Verney)
Calculated from our GPX track (IGN altitude). Segments coloured according to the gradient.
Gradient kilometre by kilometre view details
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Your exact-scale 3D raised relief map — Oz-en-Oisans engraved on an oak base, customisable with your name and your time.
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How long does it take to go up?
Estimate based on your power-to-weight ratio (physical model, validated against real times). Indicative only.
Oz-en-Oisans by bike from the Verney dam
The climb of Oz-en-Oisans by the direct route is short but formidable: from the Verney Dam (Allemond), we head straight up the slope to reach the resort at 1,350 m — 5.5 km and 598 m elevation gain close to 11 % on average. A regular wall above the Eau d'Olle valley, perfect for testing explosiveness.
Difficulty
It’s a steep climb from start to finish: the gradient settles at around 10–11 %, with peaks at 14,8 %, with no flat sections to catch your breath. There is also a longer, gentler route to Oz; the one described here is the direct ascent, the steepest and fastest. Bring a low gear.
At the heart of the Alpe d'Huez grand ski area
Connected by cable cars to Vaujany, Alpe d’Huez and Auris, the resort of’Oz-en-Oisans has a lovely, sunny balcony. As for cycling, it’s right next to the giant Col du Sabot and the Col de la Croix de Fer, very close by in the Eau d'Olle valley.
Frequently asked questions
What is the difficulty of the climb up Oz?
Short but very steep: 5.5 km averaging nearly 11 %, with peaks of 14.8 %.
What is the altitude of the Oz resort?
The Oz-en-Oisans resort is located approximately 1,350 m.
Is there an easier route to go up to Oz?
Yes, a longer and less steep route exists; the route proposed here is the direct, steepest ascent.
Neighbouring Cols — Grandes Rousses & Maurienne
Route © OpenStreetMap contributors · Altitude © IGN RGE ALTI · Max gradient over 100 m : climbfinder.