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Origin and history

Kermain's tumulus, also known as the tomb of King Morvan or the tumulus of Minez Collober, is a funeral building dating from the Bronze Age. Located about 460 meters from the hamlet of Kermain, on the municipality of Langonnet (Morbihan), it presents itself as an artificial grove of 4 meters height for a circumference of about 100 meters (or 30 meters in diameter). Remains of his inner sepulchral chamber are still visible today. This monument illustrates the collective funeral practices of the period, characteristic of Breton protohistoric societies.

Ranked as historical monuments by decree of 12 September 1946, the tumulus enjoys national heritage protection. Its alternative name, the tomb of King Morvan, comes from a local legend combining the site with Morvan Lez-Breizh, a Breton ruler from the early ninth century, although this attribution is more a matter of folklore than archaeological evidence. The scientific dating of the building, on the other hand, places it unambiguously in the Bronze Age, a period marked by the development of metallurgy and monumental funeral structures.

Available sources (Wikipedia, Monumentum, Mérimée base) confirm its administrative address in Langonnet (code Insee 56100), in the district of Pontivy. The site, whose GPS location is estimated to be satisfactory a priori (note 6/10), remains a major testimony of the ancient human occupation in inland Brittany. No information is provided on its current accessibility or any associated tourist services.

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