The covered walkway of Ile-Grande

> Geolocalisation

Ty-Lia (stone house) or Ty ar C’hornandoned (house of korrigans)

What is a covered walkway?

More familiar than the covered walkway, we know better the dolmen (taol mein, stone table) which is a tomb built with large stones or megaliths.

While the dolmen appears at the beginning of the Neolithic period, the covered walkway appears at the end of the same period. Unlike covered walkways in the Paris Basin that are buried, our covered walkways are laid on the ground. Generally open to the east, these burials consist of a vestibule, itself prolonged by a sepulchral chamber. This burial chamber is the most important part of the covered walkway.

The essential differences between dolmen and covered alley are the following:
- the dolmen only supports one slab of cover, unlike the covered walkway which supports several.
- The corridor dolmen has a side entrance while the covered walkway has an entrance that is in line with the monument.
The covered walkway of Ile-Grande

This so-called short granite covered walkway (unlike the arched buttressed walkways with sloping walls) is located 35 meters above sea level and is oriented east-west. It is 8.5 meters long and 1.6 meters wide and includes:
- a vestibule
- a burial chamber formed of two parallel walls (4 pillars to the north, 5 pillars to the south). The height of the slabs varies from 1m to 1m40.

Two large tables cover the monument. The covered walkway is surrounded by very high slabs, structures particular to the monuments of Ile-Grande and Keryvon. They are interpreted as an intermediate wall inside the mound and the purpose of which was probably to keep the earth from the tumulus.

Four excavation campaigns were carried out in 1866, 1868, 1909 and 1910. The material, now lost, included: - four polished axes - flint chips - decorated sherds and black pottery - a bronze disc, a iron object

The covered walkway of Ile-Grande was classified as a historic monument on January 23, 1956.

For the record, "an old woman, born in 1800, told at the end of the last century that lepers, in ancient times, had lived in the dolmen of the Big Island and were fed with a pitchfork. According to another tradition, the dolmen was inhabited by Kornandounezed, dwarfs, who like to dance with the passer-by on moonlit nights, and if they are executed with good grace, they thank you very gallantly, you announce that you will have a boy and that there will be no need, for his birth, to get a midwife. "(Studies 1991)

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