Tumulus à dolmen
MonumentHidden Treasure
Tumulus à dolmen, located in Ploudalmézeau (Département 29), is a historic monument. The monument is currently closed to visitors.
Key facts
- Type
- autre
- Location
- Ploudalmézeau, Département 29, Bretagne
- Visit
- Closed to visitors
- GPS
- 48.5751, -4.6925
- Mérimée Reference
- PA00090208
A major Neolithic remnant in Finistère, this dolmen burial mound in Ploudalmézeau contains a megalithic burial chamber over 5,000 years old, silent testimony to the first Armorican civilisations.
History
Standing on the Pays des Abers peninsula in Ploudalmézeau, this tumulus with its dolmen is one of the few listed megalithic funerary monuments in north Finistère. Beneath a mound of earth and stones carefully accumulated by Neolithic populations, a rigorous funerary architecture has been hiding its secrets for several millennia, defying the assaults of time and the nearby Atlantic. What makes this monument so unique is the coexistence of two complementary architectural forms: the tumulus, a tumular mass that marks out the burial site in the landscape and affirms the social status of the deceased it shelters, and the dolmen, an interior lithic chamber formed of large orthostats topped with a covering slab. This combination, typical of the Middle Neolithic period in Brittany (around 4,500 to 3,500 BC), bears witness to a technical and symbolic mastery that was remarkable for its time. A visit to this site offers a rare experience of immersion in Armorican prehistory. The open environment of the Léon region, with its open moorland swept by the sea breeze, reinforces the feeling of direct contact with a distant past. The monument is part of an area rich in megaliths, enabling it to be placed in a wider network of Neolithic funerary and ritual practices. Careful observation of the stones sometimes reveals traces of work - notches, squared-off faces - that testify to the colossal collective effort involved in erecting such buildings. Listed as a Historic Monument since 1955, the site is an irreplaceable part of Brittany's archaeological heritage.
Architecture
The monument combines two structural elements characteristic of Armorican megalithism. The tumulus - an artificial mound, generally oblong or sub-circular in shape - is typically several metres high and around ten to thirty metres long in comparable examples in Finistère. It is made up of a pile of earth, stones and wedge-shaped blocks that give the mound its distinctive profile of a low, regular hill. Inside, or partially visible from the front, the dolmen forms the actual burial chamber. It is made up of orthostats - large vertical slabs of local granite - supporting one or more horizontal covering tables. This type of construction, known as a "simple dolmen" or "short covered walkway" depending on the configuration, is common in Léon and the rest of Finistère. The access corridor, when present, allowed successive burials, making these tombs veritable collective burials reused over several generations. The materials used were exclusively Armorican granite, quarried near the site. The cutting and assembly of the blocks reveal a precise knowledge of the mechanical properties of the rock, as well as a mastery of lifting and positioning techniques using ramps and levers. The orientation of the monument, often based on astronomical or topographical landmarks, bears witness to the sophisticated symbolic thinking of the Neolithic builders.
Related Figures
Populations néolithiques du Léon (bâtisseurs du monument, vers 4500-3500 av. J.-C.)Prosper Mérimée (inspecteur des Monuments Historiques, pionnier de l'inventaire des mégalithes français au XIXe siècle)Louis-René Nougier (préhistorien français ayant contribué à l'étude des mégalithes armoricains)Zacharie Le Rouzic (archéologue breton, fouilleur et inventorieur majeur des mégalithes du Finistère et du Morbihan)
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Frequently Asked Questions
Where is Tumulus à dolmen located?
Tumulus à dolmen is located in Ploudalmézeau, Département 29 department, Bretagne region, France.
Is Tumulus à dolmen open to visitors?
Tumulus à dolmen is currently closed to visitors.