Timeline

Heritage classified

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Origin and history

The Place-forte de Mont-Dauphin, located in the Hautes-Alpes in Provence-Alpes-Côte d'Azur, is an emblematic example of the fortifications designed by Vauban at the end of the 17th century. This strategic site, built on a plateau overlooking the Guil and Durance valleys, was erected after the invasion of 1692 by Victor-Amédée II de Savoie. The works, begun in 1693, are part of a logic of defending the kingdom against external threats, combining city and fortress.

The architectural complex, of hexagonal form, includes a continuous enclosure, barracks (such as the Rochambeau barracks, covered with a remarkable structure), pedriers, an arsenal, and churches including an unfinished one. The construction spanned more than a century, with major developments in the 18th century, such as tank X (1728-1731) or bezel 64, transformed into a bezel of Arçon in the early 19th century. The last significant work dates back to 1860, although improvement projects (especially in the face of the torpedo crisis) remained dead after 1874.

Classified as a Historical Monument in 1966 and integrated with the UNESCO World Heritage Site, the Place-forte illustrates Vauban's military ingenuity and its adaptation to technological developments. Buildings, such as the officers' pavilion converted into tourist accommodation, show contemporary reuse. The history of the site is also marked by successive garrisons, including the 8th Battalion of Fighters on Foot (from 1830) and the 7th Regiment of Light Infantry (1841), as well as a bombing in 1940.

The sources underline its role in the defence of south-eastern France, from its creation under Louis XIV to the adjustments of the 19th century. Military engineers, such as Larerye, Heuriance, or Bourcet, have contributed through a variety of projects. Today, the site combines historical heritage and cultural dynamism, as evidenced by the exhibition by Ousmane Sow in 2021 at the heights of the Rochambeau barracks.

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