Construction of menhir Néolithique (≈ 4100 av. J.-C.)
Estimated period of erection of the megalith.
Années 1950
Partial destruction by lightning
Partial destruction by lightning Années 1950 (≈ 1950)
Loss of the menhir's sleep part.
27 mars 1961
Historical monument classification
Historical monument classification 27 mars 1961 (≈ 1961)
Official protection by ministerial decree.
Aujourd'hui
Aujourd'hui
Aujourd'hui Aujourd'hui (≈ 2025)
Position de référence.
Heritage classified
Menhir du Roquimarc'h dit Le Rocher du Diable (cad
Key figures
Paul du Châtellier - Archaeologist
Measured the menhir (5 m) before 1950.
Origin and history
The menhir of Roquinarc'h, also called the Rock of the Devil, is a block of quartzite erected during the Neolithic period. Originally 5 metres high according to Paul du Châtellier's surveys, it was partially destroyed by lightning in the 1950s. The debris from this fracture is still visible at its base, reflecting this natural event.
Ranked as historical monuments by decree of 27 March 1961, this menhir illustrates the importance of megalithic sites in Finistère. Its location in Saint-Rivoal, Brittany, makes it a key element of local prehistoric heritage. Studies, such as those cited in the Inventory of Neolithic and Bronze Age Monuments in Finistère (2011), highlight its role in the regional archaeological landscape.
The monument, although damaged, remains an emblematic vestige of Neolithic cultural and religious practices. Its popular name, "Rocher du Diable", reflects later legends and beliefs associated with megaliths. Today, it is a point of interest for researchers and visitors interested in Breton prehistory.
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