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Origin and history

The covered walkway of Pont-ar-Bleiz, also known as the covered walkway of the Ribl, is a megalithic funerary monument located in Lampaul-Ploudalmezeau, Finistère. Discovered in the 19th century, it was first mentioned in 1853 by Abbé Arzel, who suggested that it had long remained buried under dune sands. The building, facing southeast/northwest, is 13.50 m long and consists of a vestibule, a bedroom and a cella. Its slabs, made of local granite (with fine or coarse grain), include a covering slab decorated with a cupula.

Stunned between 1923 and 1924 by G. Collet, the gangway revealed a complex stratigraphy: layers of sand, ash, patella shells, campaniform ceramic teasses, and lithic tools (polished blade, arrow frame). Among the artifacts, a polished bone comb may have been used to decorate the cups found. Wildlife remains (canid canine, caprine teeth) complement these discoveries. The Breton name Pont ar Bleiz ("wolf bridge") evokes an undocumented local legend.

Ranked as a Historic Monument by order of 9 February 1940, covered lane now belongs to the commune. Its architecture, with its partially tilted orthostats and rectangular cella, illustrates neolithic construction techniques. The two types of granite used, of local origin, emphasize the adaptation of builders to the available resources. The site remains a major testimony of the funeral and artisanal practices of Neolithic in Brittany.

The location of the aisle, near the coast, suggests a link with the coastal communities of the time, whose economy was based on fishing, the gathering of shellfish (such as found patella), and the emerging agriculture. Campaniform ceramics, combined with distant exchange networks, indicate extensive cultural contacts. Funeral furniture, though modest, reveals rituals involving offerings and everyday objects, reflecting a society organized around complex beliefs.

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