Dôme de la Sache, Mountain summit in Massif de la Vanoise, France.
Dôme de la Sache is a 3,601 meter peak located in the Graian Alps within the Vanoise massif. The mountain features steep rocky faces and extensive glacier fields that characterize this section of the high Alps.
The peak was first systematically surveyed and recorded in the late 1800s. Its inclusion in Vanoise National Park during the 1960s made it part of one of France's major protected areas for alpine ecosystems.
Local mountaineering groups maintain detailed records of ascents to Dôme de la Sache, contributing to French alpine climbing documentation.
Reaching the summit requires advanced mountaineering abilities and proper equipment for glacier travel throughout all seasons. Good physical training and experience in alpine conditions are necessary to attempt this challenging route safely.
The summit ranks eleventh among 235 peaks in Vanoise National Park and second within the Réserve naturelle de Tignes-Champagny.
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