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Origin and history

The Saint-Roch parish church of Pietraserena, located in the south of Castagniccia in Upper Corsica, is a baroque building built in the seventeenth century. It underwent major changes in the 19th century, particularly in its structure, and its facades were decorated with paintings in the 20th century. Its architecture is distinguished by a two-storey facade, separated by thick cornices, crowned with a corrugated pediment and animated by niches. The interior, covered with a painted vault, includes a nave bordered by collaterals sheltering altarpieces with studded decor.

The village of Pietraserena, where the church stands, developed on a mountainous ridge of the Monte San Petrone massif, in an area marked by ancient history. From ancient times, the territory was occupied by the people of Opini, before coming under Roman rule. In the Middle Ages, the region belonged to the "Cortinco country", a fief unified by the Cortinchi in the 14th century. Rogna's piève, to which Pietraserena belonged, was a strategic territory along the Tavignano, a natural way of penetration into the island.

In the 18th century, after the passage of Corsica under French administration in 1768, the piève de Rogna was renamed Tavignano. Pietraserena became a municipality in its own right in 1790, integrated into the department of El Golo (now Haute-Corse). The Saint-Roch Church, listed as a Historic Monument in 1992, is a testament to the architectural and religious evolution of this mountainous region, where the village communities revolved around their cultural buildings.

The village, now with some 60 inhabitants, retains a marked rural character. The church, the only place of worship in Pietraserena, belongs to the diocese of Ajaccio and remains a symbol of the persistence of local traditions. Its interior decoration, including retables and murals, reflects Baroque artistic influences and subsequent adaptations, illustrating the importance of religious heritage in preserving Corsican cultural identity.

The commune, surrounded by forests and semi-natural environments, is also concerned by a Natural Zone of Ecological, Wildlife and Floristic Interest (ZNIEFF), highlighting its anchoring in a preserved environment. The Saint-Roch church, with its history and architecture, embodies the link between the built heritage and the natural landscape of Castagniccia.

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