
Standing on the plains of the Beauceron region, this Neolithic dolmen known as the Pierre de Villebon defies the millennia with silent majesty - one of the few listed megaliths in the Eure-et-Loir region, and the guardian of memories dating back 5,000 years.

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In the heart of the Beauceron region, between Bonneval and Châteaudun, stands one of the most discreet and fascinating reminders of the prehistoric settlement of central France. The dolmen known as the Pierre de Villebon - or Pierre de Beaumont, according to local custom - are Neolithic megalithic monuments whose mass of limestone commands respect in the midst of a landscape of open plains and farmland. Its double name, a legacy of oral traditions from neighbouring villages, already betrays the rich layers of history and beliefs that have been deposited on it over the centuries. This dolmen belongs to the large family of collective megalithic tombs that dot France, from Brittany to Alsace. Monuments of this type are rare in the Eure-et-Loir, making the Pierre de Villebon a unique and precious part of the region's heritage. Its presence in Beauce, a region often perceived as lacking in prehistoric remains, is a reminder that these flat, fertile lands were, long before the Gothic cathedrals, the setting for an organised and symbolically elaborate Neolithic civilisation. A visit to this megalith offers a timeless, contemplative experience. Unlike mass tourism sites, the Pierre de Villebon can be discovered in relative isolation, as you stroll through the Eurelian countryside. The atmosphere is intimate, almost sacred, and invites meditation on the human condition and the age-old relationship between man and stone. Photographers in search of low-angled light at dawn or dusk and history-loving walkers will appreciate the tranquillity of the site. The natural setting that surrounds the dolmen - residual hedged farmland, farm tracks, the immense Beauceron sky - accentuates the feeling of direct confrontation with a distant past. There are no tourist gimmicks to interfere with this raw encounter with prehistory. That's the charm of this monument, listed as a Monument Historique since 1889, and one of the very first prehistoric buildings to benefit from this protection in France.
The dolmen known as the Pierre de Villebon are typical of megalithic burials in the Centre region: a burial chamber delimited by several orthostats - vertically-erect limestone slabs - on which rests a horizontal covering table, commonly known as the capstone or dolmenic table. This type of architecture, known as a simple dolmen or single-chamber dolmen, is one of the most widespread in northern France. The materials used are exclusively local: blocks of Beauceron limestone, extracted from the Cretaceous geological formations present in the subsoil of the region. The grey-beige stones have a slightly grainy surface, giving them an ancestral patina accentuated by the lichens and mosses that colonise their shadier sides. The covering slab, which may weigh several tonnes depending on the size of the monument, rests on the lateral supports without any binding agent: the balance is ensured by the mere adjustment of the masses and by the earth fill that originally formed the tumulus covering the whole. Like most of the dolmens in the Paris and Beauce regions, the Pierre de Villebon chamber was originally buried under a mound of earth and dry stone, concealing its structure from the eyes of the unwary visitor. Erosion and human disturbance gradually exposed the supports, giving the monument its current appearance as an open-air "stone table". The orientation of the chamber, probably towards the east or south-east in relation to the rising sun, bears witness to a cosmological intention specific to Neolithic societies of this period.
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Trizay-lès-Bonneval
Centre-Val de Loire