• Historic site and monument

Le Fort de la Redoute Ruinée

A high-altitude redoubt built between 1890 and 1902 as part of the Séré de Rivières fortification system and then reinforced between 1936 and 1940, it played a major part in the Battle for the Alps in June 1940 due to its strategic frontier position.

Historic site and monument Le Fort de la Redoute Ruinée La Rosière - Montvalezan


La Rosière - Montvalezan (73700)


Free of charge.


All year round, daily.
Winter season: accessible via the "Espace San Bernardo" ski area
Summer season: accessible to hikers and mountain bikers, subject to weather conditions.
Spring/ autumn: ask in the Tourist Office.


73700 La Rosière - Montvalezan

From La Rosière, take the Roches Noires Express chairlift to the 'Roc Noir' lookout point (at an altitude of 2,346m).
Le Roc Noir is an ideal picnic spot, boasting a panoramic map and breathtaking views of the surrounding area. From the Roc Noir, take the path that leads to the Traversette pass: it is an easy 40-minute walk (one way).
From the Fort, you can enjoy a 360° panoramic view over the Petit-Saint-Bernard pass and the Mont-Blanc massif.

More informations

Information update on 21/09/2018 by La Rosière Tourisme