Pierre-sur-Haute military radio station, Military radio communication facility in Sauvain and Job, France.
Pierre-sur-Haute military radio station is a communication facility in Sauvain and Job, France, spread across a forested mountain plateau. The compound includes several concrete buildings connected by a network of underground passages, as well as three tall transmission towers rising above the surrounding landscape.
The facility was built in 1961 as part of the NATO ACE High network, which provided strategic communication links between Western European forces during the Cold War. After the Cold War ended, military use diminished but the station remained operational as a relay site for defense communications.
The name refers to the nearby Pierre-sur-Haute summit, which towers above the facility at over 1,600 meters elevation. Today the site remains under military administration and closed to the public, though part of the infrastructure transmits civilian broadcast signals for the region.
The site is not open to the public and sits along a mountain road that may close during winter due to snow. Visitors to the area should prepare for harsh weather and low temperatures even in summer, as the elevation strongly affects the climate at this altitude.
Despite the remote location, one of the civilian towers provides radio and television signals to large parts of the surrounding valleys. The underground connecting passages allow personnel to move between buildings during snowstorms and freezing winds without stepping outside.
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