Bourg Saint Maurice - Les Arcs has the largest number of cols in the Tarentaise Valley, all world famous, mainly thanks to the Tour de France.

These are accessible from June until October.

Cormet de Roselend : open since 16th May 2025

Col du Petit Saint Bernard : open since 28th May 2025

Col de l'Iseran : open since 6th June 2025

The Col de l’Iseran

It links the Tarentaise valley with the Maurienne valley. Link hairpins and tunnels as you tackle this world-famous col.

Distance: 48 Km

Altitude: 2764 metres

Height differential: 1955 metres

The Col de l'Iseran has been open since 6th June 2025.

For more information, visit our Road conditions page.

The Col du Petit Saint Bernard

On the way to Italy. At the top, you can admire the Pointe de Lancebranlette which reaches an altitude of 2936 metres.

Distance: 29.7 Km

Altitude: 2188 metres

Height differential: 1310 metres

The Col du Petit Saint Bernard has been open since 28th May 2025.

The Cormet de Roselend

Located on the Grandes Alpes route, the Cormet de Roselend road will take you close to the Chapieux Valley. If you head down the other side of the Cormet, you will get a great view of the turquoise waters of the Roselend Lake.

Distance: 19.2 Km

Altitude: 1968 metres

Height differential: 1155 metres

Le Cormet de Roselend has been open since 16th May 2025.

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