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Heritage classified

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Origin and history

The Chartreuse de Vaucluse, founded in 1139 thanks to donations including that of Hugues de Cuiseaux (Lord of Virechatel), is one of the oldest of Cartusian order. Installed on the right bank of the Ain, it was rebuilt several times in the 18th century (1756-1757, 1766, 1787), while preserving medieval elements such as its terraced gardens. His history turned during the Revolution: looted in 1790, his property was sold in 1791, and his buildings turned into a farm by successive owners, including the Michon du Marais family.

In 1968, the construction of the Vouglans dam led to the collapse of the site under 45 to 70 metres of water, leaving only the entrance gate and pavilions to emerge, dismantled and rebuilt in situ thanks to the intervention of Olga Michon du Marais and the EDF. These remains, classified as Historic Monument since 1927 (extended in 1971), now overlook the lake. The submerged site, accessible only to experienced divers, houses ruins at 2-8°C, where even wine bottles were stored in 2008 for an aging experience.

The furniture elements of the chartreuse, like stalls, were dispersed after 1790 in the nearby churches (Menouille, Vescles, Moirans). Their exact origin — giving religious gifts or purchasing by parishes — remains uncertain. Today, the site reflects both the Cartus architecture of the 18th century and the modern upheavals associated with the hydropower development of the Jura.

The inscription under the title of Historical Monuments (1927, 1971) specifically concerns 18th century architecture and preserved remains. The lands above level 429 NGF, spared by the rise of the waters, still belong to the heirs of the Michon du Marais family, last owners before submersion.

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