Timeline

Heritage classified

Key figures

Origin and history

Beaumont-sur-l'Osse Castle, mentioned since 1266, is an emblematic building of the Duchy of Aquitaine, located in the Gers in Gascogne. Built on the remains of a medieval castrum, it evolves through the centuries: a defensive structure in the 13th century, transformed into a seigneurial residence in the 17th and 18th centuries. The house, composed of some 40 rooms, is organized around a circular inner courtyard girdled with moats and a wall pierced with arcades in the 18th century. The estate extends over 23 hectares, including a classified French garden, a vegetable garden, and a panoramic view of the Gers valleys.

The first major renovation began in 1606 under the direction of architect Pierre II Souffron, who erected the present Renaissance-style house. In the 17th century, the Marquis de Montespan, Louis Henri de Pardaillan de Gondrin, exiled from the court of Louis XIV after the disgrace of his wife (the favorite Madame de Montespan), made there significant enlargements. A wing is added in the 18th century, and the wall is pierced by arcades to open the park on the surrounding landscapes. The castle, left abandoned in the 20th century, was saved by the parents of Eve Ruggieri, who acquired it in 1973 and began its integral restoration.

The castle houses remarkable elements such as a 17th century theatre, commanded by the Duke of Antin (son of the Marquis of Montespan), where Molière's troupe would have played. The library preserves beams painted with family coat of arms, while the 30-metre gallery, illuminated by ten windows, now hosts lyrical recitals. Ève Ruggieri, a music lover and former host, has been organizing since 2016 the festival "Un été en Gascogne", combining classical music, candlelight tours and gourmet dinners. The estate, classified as Historic Monument (1982, 1989, 2008), embodies both the tumultuous history of the Gascon nobility and contemporary heritage passion.

The architecture of the castle reflects its successive metamorphoses: a monumental stone staircase, lounges with restored woodwork and gypsum shops, and a medieval vaulted kitchen with bread oven. The outbuildings include an orange shop, a guard house, and a swimming pool hidden behind hedges, a tribute to the secret gardens of the Baroque era. The park, registered with the Historical Monuments, combines Italian garden with terraces and romantic perspectives on the vineyards of Armagnac. In 2020, the castle was used as a setting for the show Secrets d'Histoire (France 3) for an episode dedicated to Madame de Montespan.

The family of Pardaillan de Gondrin, the owner of the premises for centuries, is deeply marking its history. Louis Henri de Pardaillan, Marquis de Montespan, found refuge there after his disgrace, while his son, the Duke of Antin, added baroque elements such as theatre. In the 20th century, Eve Ruggieri, heiress of the places, perpetuates this cultural tradition by welcoming artists and music lovers. The castle, now open to the public for events, symbolizes the resilience of a military, aristocratic and artistic heritage, anchored in the gascon landscape.

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