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Origin and history

Bugull Fort is a military complex located on the Bugul tip in Locmaria (Belle-Île-en-Mer, Morbihan). Its history began in 1692 with the construction of a first battery, reinforced in the 18th century by a horse iron structure with a powder shop and a guard body. Vauban, during his visit in 1689, stressed the strategic importance of the site in order to protect the Grands Sables et l'anse de Port Yorc.

In the 19th century, the fort was modernized according to the plans of the Joint Coastal Armaments Commission (1841), with the construction in 1858-1859 of a new earth battery and a type 1846 No. 3 guard corps designed to house 30 men. Discussions between military engineers delayed work: some advocated the abandonment of the low battery (XVIII century), while others, such as General Noizet, advocated its conservation. In 1862, the battery was closed down in 1889, sold in 1891, and then occupied by the Germans during World War II.

The architecture of the fort combines two epochs: the low battery in bellows, in the shape of a horse iron, and the high battery of 1858, terrased and open to the throat. The guard corps, transformed into housing in the 20th century, retained its defensive niches. Ranked a historic monument in 2000, the site illustrates the evolution of French coastal fortifications, from Vauban's projects to adaptations of the Second Empire.

Bugull's strategic position is part of a larger defence network in Belle-Île-en-Mer, including the batteries of the Biche and La Ferrière. Armed successively by cannons of 24 and 30 pounds, and then shellers of 22 cm, the battery reflects the military stakes related to the protection of the Breton coasts in the 18th and 19th centuries. Its decommissioning in 1889 marks the end of its active role, although its earthworks and parapets remain visible today.

Historical sources also mention ancillary equipment, such as a reverberator furnace in the high battery and a powder shop in the lower part. The transformation of the guard corps into a dwelling in the 20th century altered some of its facades, but defensive structures (parapets, platforms) remain, despite the vegetation that recolonized part of the earthworks.

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