Le Monolithe de Sardières

Le Monolithe de Sardières is a needle-shaped rock column made of dolomite that rises about 93 meters high at an elevation of roughly 1670 meters. The formation appears as a solitary vertical shaft of stone jutting upward from the surrounding terrain with a distinctive tapered appearance.

This rock formation developed over millions of years through geological processes in which water and weather dissolved softer rock layers and exposed the harder dolomite. Human interest in the site began in the 20th century when climbers first summited it successfully in 1957.

The rock formation stands at the entrance of Vanoise National Park and serves as a landmark for the Haute-Maurienne region, recognizable from great distances across the valley. Local people and travelers view it as a defining feature of the Alpine landscape that shapes how they understand their surrounding mountains.

The walk to reach the monolith takes several hours starting from the parking area at the base with a clearly marked trail. The route involves steady uphill sections, so sturdy footwear and reasonable fitness are needed, and early morning starts help ensure you finish before dark.

Interestingly, this stone column survived through the very process that could have destroyed it: water dissolved the surrounding softer rocks but left the more resistant dolomite untouched. This selective geological action created not just a single shaft but a surprising natural sculpture carved by nature's own erosion patterns.