Val-Cenis - Lanslebourg-Mont-Cenis

From 1861, the priorities of the Kingdom of Italy were unity and territorial defense. It therefore equipped Mont-Cenis with several forts, including the Ronce fort at 2286 m altitude, a breathtaking vantage point overlooking Lake Mont-Cenis.


At the end of the 19th century, the young Italy wanted to secure control over Mont-Cenis, the ancient transalpine route. Against a backdrop of diplomatic tensions with France, Italy fortified Mont-Cenis with several forts.
Fort de Ronce, which dominates the entire pass, was built between 1877 and 1880 on a circular plan with two stages of fire adapted to the new capabilities of rifled artillery.

Period of opening

From 10/05 to 10/11, daily.
Opening date dependent on that of the Col du Mont Cenis road.

Equipment & services

  • Picnic area
  • Car park
  • Parking nearby
  • Coach parking
  • Guided group tours


Free access.

Bons plans

From the fort, it is possible to take the path facing due east that will lead you to the Clear Lake, or you can also join the path that rises in a north-eastern direction towards the Plan des Cavales, in order to have a view of the slightly overhanging Fort de Ronce.


Let's go

Practical information

Les Fontainettes
73480 Val-Cenis
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