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Key figures

Origin and history

The hydraulic system of the Lormoy spring, located in Longpont-sur-Orge, Île-de-France, dates from the 2nd quarter of the 18th century. It was designed to supply water to the park of the castle of Lormoy, property of Pierre Saulger, secretary of the king, who had built a park with canal and water parts as early as 1640-1650. A royal authorization from Gaston d'Orléans in 1641, confirmed by Louis XIII, allowed the waters and springs of the old route d'Orléans to be taken to Lormoy. This network, whose look of Folies is the only visible art work, includes an underground gallery and a vaulted basin in millstone and limestone.

The gaze, built in 1737 under the direction of Abbé Pajot de Dampierre, is a masonry edicle housing a rectangular reservoir 10 metres long by 5 metres wide. A foundation stone indicates the date of construction and the names of the contractor and the contractor. In 1839 a second commemorative stone was added to the building. This hydraulic system, partially protected since 2002 and 2016, illustrates the engineering of water supply networks in the 18th century aristocratic gardens.

The fontainerier Julien Desvignes is mentioned as the master contractor for this development. The look, located on the way to the Red Cross-Fer, is today owned by a private company. Its architecture, with a vault in the middle and a captivating gallery, reflects the hydraulic construction techniques of the time. The source of Lormoy, captured in the Fontenelles, played a key role in feeding the water games and ponds of the park, symbolizing the prestige of the seigneurial estates under the Old Regime.

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