The Tregiffian Burial Chamber is a Neolithic or early Bronze Age chambered tomb. It is a rare form of a passage grave, known as an Entrance grave. It has an entrance passage, lined with stone slabs, which leads into a central chamber. This type of tomb is also found in the neighbouring Isles of Scilly.
The large stone grave, half of which was covered by a road in 1846, was, unlike Cornish quoits, for the most part covered with soil, with only the entrance exposed. From the edge of the site a passage, covered by four 3 m long stones, led to the 4-metre deep grave chamber. In front of the chamber, a cross-lying ornate stone, with cup-and-ring markings, formed a barrier. The original stone is in Truro, in the Royal Cornwall Museum, the local stone is a replica. Inside the tomb there was the chamber grave, which consisted of upright stones and a cover slab. Tregiffian probably formed a holy place with the Merry Maidens and other sites.
References:The Château de Foix dominates the town of Foix. An important tourist site, it is known as a centre of the Cathars. Built on an older 7th-century fortification, the castle is known from 987. In 1002, it was mentioned in the will of Roger I, Count of Carcassonne, who bequeathed the fortress to his youngest child, Bernard. In effect, the family ruling over the region were installed here which allowed them to control access to the upper Ariège valley and to keep surveillance from this strategic point over the lower land, protected behind impregnable walls.
In 1034, the castle became capital of the County of Foix and played a decisive role in medieval military history. During the two following centuries, the castle was home to Counts with shining personalities who became the soul of the Occitan resistance during the crusade against the Albigensians.