Timeline

Heritage classified

Key figures

Origin and history

The covered avenues of Liscuis, located in Laniscat in the Côtes-d'Armor, form a set of three megalithic monuments built on a plateau overlooking the confluence of the Blavet and the gorges of Daoulas. Set in a quasi-equilateral triangle, they show distinct architectures: a "V" grave, one with a terminal cell, and a third more classic with a shale facade. These monuments, restored by Charles-Tanguy Le Roux from 1973 onwards, testify to the diversity of neolithic funeral practices.

The first driveway, facing south-west, is a 12 m long "V" burial, with a narrow antechamber and a room gradually expanding. The second, oriented north-south, has a long vestibule and a cella backed to the bedside slab, where excavations revealed polished axes, a fibrolith pendant and ceramic teasses. The third aisle, facing east-west, has a shale façade and a partially identifiable cairn, with traces of fireplaces and a possible later burial.

Ranked as historical monuments in 1958, these covered alleys date from the recent Neolithic period, between 2,500 and 2,220 B.C. according to carbon dating 14. Their restoration was carried out in collaboration with the Dolerite workshops of Plussulien, highlighting their archaeological importance and their integration into the megalithic Breton landscape.

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