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Hautes-Alpes
Col d'Izoard
The Casse Déserte — a moonscape of shattered rock spires near the top — is the most photographed stretch of road in the Alps. Memorials to Coppi and Bobet sit beside it.
Summit
2,360 m
Length
14.1 km (from Guillestre side)
Average
7.3%
Maximum
10%
Category
Hors catégorie
First used
1922
Appearances
35+ crossings
Fastest ever
The benchmark
Warren Barguil's 2017 summit finish
Reference ascent — timings vary with the exact start point, weather and race situation.
History
Famous moments
1949
Coppi and Bartali ride over together in the era-defining Italian duel.
1953
Louison Bobet solos through the Casse Déserte to seal his first Tour.
2017
Warren Barguil wins on Bastille Day weekend and takes polka dots.
Ride it yourself
Notes for cyclists
- The Casse Déserte comes 3 km from the top — save something for the photos.
- Briançon side is the historic descent into the finish town.
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