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Origin and history

The Cross of Tréhat is a Latin cross in Palis, located near the place Tréhat in the commune of Glénac (Morbihan, Brittany), although it is often associated with the proximity of La Gacilly. It is distinguished by its cross pierced by a diamond and its branches connected by an arc of circle. Dressed on a shale stone base, it is cut into a monolithic block of shale, with a chamfered barrel and a hollowed centre from a diamond square hole. Its base, covered with a moulded slab, seems to be upside down according to experts, as evidenced by the reversal of the moulding profile.

The dating of the cross remains uncertain, although its barrel suggests an origin in the 16th century, even in the 15th century. There is no formal evidence to decide, but its architectural style makes it unique in the canton of La Gacilly. Similar crosses, although rare, have been recorded in Finistère, particularly in Plogoff. Its inscription in the title of historical monuments since 23 May 1927 underlines its heritage importance, although its original function (religious marker, pillar, or symbol of protection) is not explicitly documented.

The cross rests on a masonry base decorated with niches, typical of the Breton Christian monuments of that time. Its material, shale, and monolithic shape reflect local stone cutting techniques. The property of the cross belongs to the commune of Glénac, and its state of conservation, although not detailed, seems sufficient to justify its protection. The sources (Wikipedia, Monumentum) underline its exceptional character in the regional architectural landscape, without specifying its exact ritual or historical use.

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