Dolmen de Kergarat, ou Kervagat
MonumentHidden Treasure
Dolmen de Kergarat, ou Kervagat, located in Plouharnel (Département 56), is a historic monument. The monument is currently closed to visitors.
Key facts
- Type
- autre
- Location
- Plouharnel, Département 56, Bretagne
- Visit
- Closed to visitors
- GPS
- 47.5962, -3.1072
- Mérimée Reference
- PA00091524
A Neolithic vestige standing on the Morbihan moors, the Kergarat dolmen in Plouharnel reveals a remarkably well-preserved porticoed burial chamber, a silent witness to five millennia of Breton history.
History
In the heart of the Quiberon peninsula, in the commune of Plouharnel, the Kergarat dolmen - sometimes spelt Kervagat - rises with majestic discretion from the heather and gorse moors that characterise this Atlantic coastline. Listed as a historic monument since 1889, it belongs to the constellation of megaliths that makes Morbihan the densest region in Europe for Neolithic heritage, alongside the nearby Carnac alignments. This corridor dolmen, typical of the funerary architecture of the Breton Neolithic, is striking for the powerful sobriety of its orthostats - the large upright stone slabs that ancient builders arranged with disconcerting precision. The massive top rests on the whole like a stone lid that five thousand years of Atlantic rain and sea wind have not been enough to move. This permanence in the face of the elements is one of the first emotions to be aroused by a visit to the site. The visitor experience is intimate and devoid of any heavy tourist infrastructure, giving it a rare authenticity. Access to the monument is via a country lane, often bordered by low-lying vegetation, and the granite blocks gradually emerge from the ground as if from a sunken world. Photographers will appreciate the low-angled morning light or the coppery hues of sunset, which accentuate the rough texture of the rock and create a striking contrast with the changing skies of Atlantic Brittany. Plouharnel itself, a village of a few thousand souls nestling between the Etang de Kergroix and the wild coastline of the Baie de Quiberon, is an ideal starting point for exploring the extraordinary megalithic density of the area. Within a fifteen-kilometre radius, visitors can discover dolmens, tumuli, isolated menhirs and alignments, making up a prehistoric itinerary without equal in France.
Architecture
The dolmen at Kergarat belong to the large family of Breton corridor dolmens, a type of funerary architecture characteristic of the Atlantic Neolithic. Its structure is based on the universal principle of these monuments: orthostats, slabs of rough granite standing vertically, define the side walls of an access corridor leading to a slightly enlarged central burial chamber. The whole structure is topped by one or more horizontal covering slabs whose weight - which can exceed several dozen tonnes - paradoxically ensures the stability of the construction simply by compressing the vertical elements. Local granite, a hard, erosion-resistant magmatic rock, is the only material used in the building. Its grey to slightly pink tones, speckled with yellow and silver lichens, blend into the landscape while asserting an unmistakable mineral presence. The blocks were not cut with precision - their surface retains the natural grain of the rock - but selected and oriented to fit together with remarkable structural efficiency. The burial chamber, which is roughly polygonal in plan, must originally have been partially or totally covered by a mound of earth and dry stone, which has since disappeared, exposing the orthostats to direct light. The dimensions of the monument, comparable to those of the dolmens in the Carnac region, suggest a chamber around three to four metres long and around two metres wide, accessible via an east-west entrance corridor. This orientation is not accidental: it allowed the rays of the rising sun on the equinoxes to penetrate to the back of the chamber, briefly illuminating the burial site in a symbolic gesture that associated death and solar rebirth.
Related Figures
Prosper Mérimée — inspecteur général des Monuments Historiques, pionnier de la protection du patrimoine mégalithique bretonJames Miln — archéologue écossais établi à Carnac au XIXe siècle, fouilleur des sites néolithiques du MorbihanZacharie Le Rouzic — archéologue carnacéen, fondateur du musée de Préhistoire de Carnac, inventoriant les mégalithes de la régionLes bâtisseurs néolithiques anonymes — communautés agropastorales du Ve-IIIe millénaire avant J.-C., architectes du monument
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Frequently Asked Questions
Where is Dolmen de Kergarat, ou Kervagat located?
Dolmen de Kergarat, ou Kervagat is located in Plouharnel, Département 56 department, Bretagne region, France.
Is Dolmen de Kergarat, ou Kervagat open to visitors?
Dolmen de Kergarat, ou Kervagat is currently closed to visitors.