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Origin and history

Saint-Martin-la-Vallée Church, located in the eponymous hamlet of Semur-en-Brionnais (Saône-et-Loire), is a Romanesque building built between the late 11th and early 12th centuries. It originally belonged to the Baron of Semur and served as a parish church until 1274, when it became a chapel dependent on the Saint-Hilaire church of Semur, following the creation of the local chapter. This monument illustrates the clunisian influence in Brionnais, an area marked by a strong presence of Romanesque churches.

The chapel has remarkable architecture, including its original bell tower, located south of the choir and not above, a particularity shared with two other nearby churches. This bell tower, consisting of an opencast base, a bay-drilled floor and a four-sided arrow, may have been added after the initial construction. The interior, with a single nave, reveals an arch in the middle of the hanger leading to a semicircular apse in cul-de-four, adorned with wall paintings from the 12th–13th centuries and the Renaissance, rediscovered during restorations carried out between 1999 and 2014.

Saint-Martin-la-Vallée was originally an independent parish, probably founded in the 10th century, which became a separate commune during the French Revolution before being attached to Semur-en-Brionnais in 1825. The site, located on a height, offers views of local monuments, including the Saint-Hugues Castle and the Saint-Hilaire Church. The chapel, modified in the 16th and 17th centuries (paintings, rectangular door replacing the entrance in full hanger), was classified as a historical monument by decree of 29 March 1971.

The name Saint-Martin pays tribute to Martin de Tours, a saint especially venerated in Burgundy, where 192 parishes from the four historical departments are dedicated to him. The parish of Saint-Martin-la-Vallée included several hamlets (Rochefort, La Fay, les Cours, Vernay, la Cray) and utility elements such as a mill on Grozelier Creek and a fountain with purgative virtues. Today, the chapel, owned by the commune, bears witness to the religious and architectural history of Brionnais under the influence of Cluny.

The restoration work allowed to highlight Christ in glory and the tetramorph adorning the cul-de-four of the apse, emphasizing the artistic and spiritual importance of the place. Although the hamlet also houses the Château de la Vallée (non-visitable), it is the chapel that concentrates the heritage interest, both for its history and for its architectural peculiarities, reflecting the stylistic and religious evolutions of the region since the Middle Ages.

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