Dolmen de Mané-Bras, dit Roh-Vras
MonumentHidden Treasure
Dolmen de Mané-Bras, dit Roh-Vras, located in Carnac (Département 56), is a historic monument. The monument is currently closed to visitors.
Key facts
- Type
- autre
- Location
- Carnac, Département 56, Bretagne
- Visit
- Closed to visitors
- GPS
- 47.6176, -3.0583
- Mérimée Reference
- PA00091093
The Mané-Bras dolmen, also known as Roh-Vras, is one of the most impressive megalithic monuments in Morbihan, its massive slabs revealing five millennia of Breton history.
History
In the heart of the Quiberon peninsula and the Carnac plain, an area without equal in Europe for the density of its megaliths, the Mané-Bras dolmen - whose Breton nickname Roh-Vras literally means "great rock" - imposes its presence with the sovereign discretion of monuments that have nothing left to prove. Its orthostats of local granite, erected over five thousand years ago by Neolithic agropastoral communities, form a sepulchral chamber whose sober monumentality contrasts with the symbolic wealth it conceals. What sets Mané-Bras apart from the countless other megalithic structures in the region is the remarkable quality of its preservation and the imposing size of its supports. The roof slabs, some of which are in one piece, bear witness to a mastery of logistics and a highly structured social organisation: moving and erecting such monoliths required collective planning, rock-cutting techniques and know-how handed down from generation to generation. We're a long way from the myth of "cavemen"; these stone builders were engineers of their time. A visit to the Mané-Bras dolmen is a natural part of a wider tour of the Carnac plateau. Here, there are no crowds or barriers, and nature reclaims its rights around the stones: open moorland, gorse in flower in spring, low winter light sculpting the granite walls and revealing textures and lichens with the patina of centuries. If you take the time to linger, you can still sense the strange magnetic charge of these borderlands between the world of the living and that of the ancestors. Listed as a Historic Monument since 1923, Roh-Vras is protected to guarantee the integrity of the site. Around it, the Morbihan landscape unfurls its hedged fields and seascapes, reminding us that Neolithic builders rarely chose their sites at random: promontories, ridges, proximity to water - everything combined to make the burials part of a sacred geography. For archaeology enthusiasts or the simply curious in search of authenticity, Mané-Bras is an essential stop-off point for understanding the prehistoric settlement of Armorique and the world view of these societies, which built for eternity rather than for themselves.
Architecture
The Mané-Bras dolmen belongs to the family of simple single-chamber dolmens, a widespread type in Morbihan and characteristic of the Armorican Middle Neolithic. Its structure is based on several orthostats - vertical granite pillars - arranged in a U-shape or rectangle to define an elongated burial chamber, surmounted by one or two horizontal cover slabs. This type of sober, efficient plan is found in many Carnacan examples, but Mané-Bras stands out for the imposing size of its blocks, consistent with the name Roh-Vras (large rock). The exclusively local materials - pink-grey granite from the Armorican massif, with crystals visible to the naked eye - give the monument a raw minerality and a striking visual permanence. The surfaces of the slabs bear the patina of five millennia of exposure to Atlantic sea spray and lichen, creating a cameo of greys, ochres and greens that change with the light and the season. No engraved ornamentation has been documented with any certainty on this dolmen, but the Carnac region has yielded stones decorated with cupules, axes and abstract signs elsewhere, attesting to a rich symbolic universe. The orientation of the chamber, as is often the case with Neolithic funerary monuments, seems to take into account astronomical or topographical criteria: a preferential opening to the east or south-east is frequently observed in Armorican dolmens, allowing the rays of the rising sun to penetrate the chamber during the equinoxes. The whole structure is set in a slightly elevated landscape, typical of the layout chosen by the Neolithic builders, who favoured the visibility of their burials from the surrounding area.
Related Figures
James Miln — archéologue écossais du XIXe siècle, pionnier des fouilles à Carnac et fondateur du premier musée préhistorique localZacharie Le Rouzic — archéologue breton (1864-1939), continuateur de Miln et inventeur systématique des mégalithes carnacéens, dont il dressa les premiers relevés précisProsper Mérimée — inspecteur général des Monuments Historiques au XIXe siècle, dont les tournées en Bretagne ont contribué à la sensibilisation nationale au mégalithismeAlexander Thom — ingénieur et astronome écossais (1894-1985), dont les travaux sur la géométrie et l'astronomie des mégalithes ont renouvelé la lecture de sites comme CarnacOlivier Ragueneau — préhistorien du XXe siècle ayant contribué à l'inventaire archéologique du Morbihan et à la documentation des dolmens isolés de la région
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Frequently Asked Questions
Where is Dolmen de Mané-Bras, dit Roh-Vras located?
Dolmen de Mané-Bras, dit Roh-Vras is located in Carnac, Département 56 department, Bretagne region, France.
Is Dolmen de Mané-Bras, dit Roh-Vras open to visitors?
Dolmen de Mané-Bras, dit Roh-Vras is currently closed to visitors.