Construction period Néolithique (≈ 4100 av. J.-C.)
Alignment of the three menhirs
1876
Search of Paul du Châtellier
Search of Paul du Châtellier 1876 (≈ 1876)
Summary Site Exploration
3 mars 1923
Historical monument classification
Historical monument classification 3 mars 1923 (≈ 1923)
Official Menhir Protection
1960
Archaeological excavations
Archaeological excavations 1960 (≈ 1960)
Discovery of Neolithic artifacts
1978
Reversal of a menhir
Reversal of a menhir 1978 (≈ 1978)
Survey revealing foundations
Aujourd'hui
Aujourd'hui
Aujourd'hui Aujourd'hui (≈ 2025)
Position de référence.
Heritage classified
Three Kerfland menhirs and one metre wide strip of land around (Box E 294): by order of 3 March 1923
Key figures
Paul du Châtellier - Archaeologist
Excavated the site in 1876
Pierre-Jean Berrou - Archaeologist
Survey after reversal in 1978
Origin and history
The Kerfland Menhirs, also known as Pendreff Menhirs, form a megalithic alignment located in Plomeur, Finistère. These three stones, extracted from a leucogranite diaclase, are arranged along a north-north-west/south-south-east axis. Their height varies between 3.30 m and 4.40 m, and they are partially buried in clay soil. They bear witness to the megalithic construction techniques of Neolithic, with summary frames in small blocks.
The archaeologist Paul du Châtellier conducted summary excavations at the site in 1876. Menhirs were classified as historical monuments by order of 3 March 1923. In 1960, excavations revealed neolithic artifacts at their feet, including flint, pottery, millstone and vase. A survey carried out in 1978, after the overthrow of a menhir, confirmed the simplicity of the foundations, consisting of blocks of 0.50 m wide.
The site illustrates the importance of megalithic monuments in Brittany, often linked to ritual or funeral practices. Archaeological discoveries suggest a human occupation and artisanal activities (size of flint, pottery) during Neolithic. These menhirs, although less well known than other Breton sites, offer a remarkable example of local megalithic architecture.
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