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Origin and history

The church of Saint-Mélar de Lanmeur, in Finistère, is dedicated to Saint Mélar, the legitimate heir to the throne of Cornwall according to legend, murdered by his uncle Rivod. Its history dates back to the 10th century, when Juhel Beranger, Count of Rennes, held his court in Lanmeur, when the construction of the crypt and the early church might have been financed, although this patronage remained hypothetical. The building retained Romanesque elements until its destruction in 1902, including part of the nave and a western apse, now replaced by a flat bedside. The reconstruction of 1904, led by architect Ernest Le Guerrannic, preserved ancient elements such as the Romanesque crypt and the southern portal of the 12th-11th century, remarkable for its pentagonal door and carved capitals.

The crypt, dated from the 10th-XI century, is a rectangle of 8.78 m by 5.07 m divided into three ships by monolithic columns connected by low arches. It is famous for its two columns decorated with round-bosse plant motifs, interpreted as vines, algae or snakes, possible symbols linked to the martyrdom of Saint Mélar. These columns, visible from the outside by fenestrellae today blocked, attracted pilgrims who came to venerate the saint's relics. The crypt, which was regularly flooded until 1967, also housed a "miraculous" fountain, associated with local legends and a medieval drainage system.

The present church, from plan to Latin cross, incorporates elements of the eleventh, eighteenth and twentieth centuries. The bell tower, dating from the 18th century, is surmounted by an octagonal arrow framed by lanterns. Ranked a historic monument in 1862, the crypt remains the heritage heart of the site, reflecting successive changes and popular beliefs related to Saint Mélar. The excavations revealed traces of an earlier building, perhaps of the sixth century, confirming the former religious vocation of the place.

The southern portal, re-used in the reconstruction of 1904, is a key medieval vestige. Its arch of full hanger, decorated with carved capitals, and its atypical pentagonal door, attest to the Romanesque influence. This portal, originally located in a porch today disappeared, illustrates the architectural transitions of the site. Subsequent changes, such as the 17th century basin to manage infiltrations, reflect the building's constant adaptation to its humid environment.

The legend of Saint Mélar, associated with the fountain and the relics, nourished a lasting local veneration. The pilgrims flocked to see the relics through the fenestrellae, before the crypt was buried. The motifs of the columns, compared with medieval illuminations such as those of Bayeux' tapestry, underline the link between Roman art and Christian symbolism. Today, the church and its crypt embody both an architectural heritage and a legendary Breton memory.

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