Allée couverte dite la Grande Pierre couverte
MonumentHidden Treasure
Vestige néolithique parmi les plus imposants du Val de Loire, la Grande Pierre couverte de Saumur dévoile une allée funéraire de plus de 10 mètres, témoignage brut et saisissant d'une civilisation vieille de 5 000 ans.
History
Nestling in the soft soil of the Anjou region, just a few leagues from Saumur town centre, the Grande Pierre couverte is one of the most eloquent expressions of Neolithic megalithism in Maine-et-Loire. Listed as early as 1889 as one of the very first monuments to be protected under the law on historic monuments, it belongs to the category of collective funerary edifices that archaeologists call covered walkways - galleries of large, upright stone slabs topped with covering tables, designed to house the dead of a sedentary farming community. What sets the Grande Pierre Couverte apart from the many megaliths scattered across Anjou and Touraine is above all its imposing size and remarkable state of preservation. The orthostats - the large vertical stones that form the walls - define an elongated chamber that was once used to invite the dead to a collective, ritual resting place. The floor, once covered with compacted clay, has yielded human bones, along with fragments of ribboned pottery and a few carved flint tools, evidence of repeated use over several generations. To visit the Grande Pierre Couverte is to accept a direct dialogue with silence. With no fences or walls, the monument is presented in its bare mineral form, under a sky that is often vast and windy. You immediately feel the weight of intention: these Late Neolithic men were not content to bury their dead, they were building for eternity, erecting masses of local sandstone and limestone with a precision that no archaeological reconstruction has yet fully explained. The Anjou setting adds an almost romantic dimension to the experience. The tufa slopes, the surrounding vineyards and the special light of the Loire Valley create a striking contrast between the gentleness of the landscape and the ancient brutality of the stone. It's here that prehistory ceases to be abstract and becomes physical, tangible, almost intimate.
Architecture
The Great Covered Stone belongs to the morphological type of covered alley, characterised by an elongated burial chamber - generally oriented east-west or north-south - formed by a double row of vertical orthostats on which rest horizontal cover slabs. This arrangement creates a narrow, dark interior space, accessible through an entrance at one end, sometimes marked by a door slab pierced by a circular or oval porthole allowing the symbolic passage of souls - a feature found in several covered alleyways in Anjou. The materials used are blocks of local sandstone and tufa limestone, rocks that are abundant in the subsoil of the Saumur region. The slabs have rough, uncarved surfaces, in keeping with the megalithic tradition of central-western France, in contrast to the covered walkways of Brittany, which are sometimes decorated with cupule carvings or anthropomorphic representations. The total length of the chamber is estimated at between ten and twelve metres, with an interior width of around one and a half to two metres, dimensions comparable to those of the benchmark covered walkways in the Loire basin. Originally, the entire structure would have been covered by a mound of earth and gravel, completely masking the stone structure and leaving only the entrance visible. This earthen covering, which has now disappeared, played a structural role by holding the orthostats together, and a symbolic role by creating an artificial mound visible in the surrounding agricultural landscape - a territorial marker as much as a memorial.
Related Figures
Communautés néolithiques saumuroises (3500-2000 av. J.-C.) — bâtisseurs anonymes du monumentProsper Mérimée — inspecteur général des Monuments historiques, promoteur de la protection des mégalithes au XIXe siècleArcisse de Caumont — archéologue normand, pionnier de l'étude des mégalithes français, dont les travaux ont contribué à la reconnaissance de tels monumentsGustave Romain Jeffroy — préhistorien angevin du XIXe siècle ayant répertorié les dolmens et allées couvertes du Maine-et-Loire
