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Origin and history

The fort of Tursac, perched on the cliff overlooking the Vezère, was built between the 14th and 15th centuries to control the river passage. Its defensive system combined a ditch cut from the rock to the west, a dry moat to the northeast, and an impassable cliff to the south. A circular tower occupied the northwest corner, while an access ramp led to the east entrance. At half height, a cornice housed outbuildings ( stables or warehouses) protected by a wall, as well as a 15th century Gothic chapel, partially dug into the rock.

The troglodytic village of the Madeleine, backed by the same cliff, dates back at least to the ninth century. Its semi-troglodytic houses – half-natural, half-built – exploited pre-existing rock shelters, such as the shelter of the East with a common 12th century oven still in use today. The castle of Petit Marzac, built by the Counts of Sireuil between the 11th and 14th centuries, dominated the whole. Its Saint Martin tower and five-sided enclosure, bordered by a ditch, illustrate a defensive architecture adapted to the evolution of military techniques (no gunboats suggesting a construction prior to artillery).

Medieval occupation is superimposed on a major prehistoric site: the Madeleine shelter, the eponymous deposit of the Magdalenian (upper Paleolithic). Stunned in 1863 by Édouard Lartet and Henry Christy, he delivered movable art objects (such as a mammoth engraved on ivory) and a child's burial adorned with an adornment of 1,100 shells, dated around 10,200 years BP. Ranked a Historic Monument in 1956 and registered as a UNESCO World Heritage Site in 1979 with the Vézère Valley sites, it symbolizes human continuity on this strategic promontory.

The seigneurial chapel, dedicated to Sainte Marie-Madeleine, presents a stylistic duality: a Romanesque part of the 11th century carved in the rock (paved floor, altar oriented to the east) and a Gothic extension of the 12th century (voûts in dogive crosses, broken arches). This place of worship, next to the cliff, gave its name to the village and prehistoric site. The castle, passed into the hands of the Beynac family after a fire in 1660, fell into ruins, while the medieval oven and remains of the fort still bear witness to the daily and military life of the 14th–15th centuries.

Beyond its defensive role, the site illustrates human adaptation to a karst environment. The medieval inhabitants exploited the natural caves to create a hybrid village, combining hard-walled constructions and excavated spaces. The common oven, still in service, recalls the collective organization of the Middle Ages, where the lords (like the Counts of Sireuil) controlled resources and infrastructures. The gradual abandonment of the castle after 1660 coincided with the loss of its strategic utility, marking the end of its military golden age.

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