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Origin and history

The castle of Lourdes is a medieval fortification built on a rocky promontory overlooking the town of Lourdes, in the Hautes-Pyrénées (Occitanie). Its strategic position, at the entrance of the seven valleys of Lavedan, made it a major defensive site from Roman times, as evidenced by the ancient remains discovered (fragments of sculptures, votive altars, walls). These traces, partially destroyed in the 19th century during military work, confirm its ancient occupation, although the current foundations date mainly from the 11th–12th centuries, when the castle served as a residence for the Counts of Bigorre.

Over the centuries, the castle changed hands several times: passed to the Counts of Champagne (kings of Navarre) in the 12th century, it then entered the French royal estate under Philippe le Bel, before being ceded to the English by the Treaty of Brétigny (1360). Reprised by France at the beginning of the 15th century after two seats, it was strengthened in the 13th to 14th centuries (construction of the dungeon by Gaston Fébus, Count of Foix-Béarn) and served as a royal prison then as a state from the 17th to the 20th century. Its six-level square dungeon, topped by machicolis, and successive enclosures illustrate these military transformations.

In the 19th century, the castle lost its defensive role and was transformed into barracks by military genius, with major works (1828–56) inspired by Vauban's plans. Declassified in 1889, it became the seat of the Pyrenean museum in 1921, thanks to the initiative of Louis and Margalide Le Bondidier, who brought together collections of popular arts and traditions. Today, the site also houses the Notre-Dame-du-Château chapel (a building of the old Saint-Pierre church) and a botanical garden with models of the Pyrenees, while preserving Roman and medieval remains.

Ranked Historic Monument in 1995, the castle is owned by the commune of Lourdes. Its architecture combines elements from the 11th, 14th, 15th, 16th, 17th and 19th centuries, reflecting its evolution from a Comtal residence to a Pyrenean cultural symbol. The re-use materials, as in the chapel, and the various apparatuses (moellons, bricks, opus incertum) bear witness to these historical strata.

The 19th century excavations revealed ancient substructures, but their partial destruction today limits the visibility of this era. The museum's collections, enriched by Le Bondidier (maquettes, image library), and modern elevator (1930) illustrate its contemporary adaptation, while preserving its medieval character. The site remains a major testimony of the military, political and cultural history of the Pyrenees.

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