Timeline

Heritage classified

Key figures

Origin and history

The church of the Invention-de-la-Sainte-Croix, located in Saint-Dalmas-Valdeblore (Alpes-Maritimes), is a rare example of Lombard Romanesque art in France. Mentioned in 1060 as a priory dependent on San Dalmazzo da Pedona Abbey in Italy, it was originally dedicated to Saint Dalmas, evangelizer of the martyred Alps around 255. Its architecture, with nave with three ships and underground crypts, probably dates from the 11th century, as the comparisons with similar Italian churches suggest. The murals of the apsidioles, discovered during excavations, date back to the 12th century.

In the Middle Ages, the church was a place of pilgrimage linked to the relic of the Holy Cross, received between 1100 and 1150, which earned it its present name. The repeated earthquakes (1494, 1556, 1564) damaged the structure, resulting in partial embankments and the transformation of an crypt into an ossuary. In the 18th century, vaults and foothills were added to stabilize the building, while the bell tower, collapsed in 1564, was rebuilt in 1569. Ranked a historical monument in 1943, the church benefited from major restorations from 1978, revealing its crypts and restoring its original soil.

Saint Dalmas, a central figure in the history of the place, would be Dalmace of Pavia, an Italian missionary of the third century. According to legend, he was beheaded by robbers near the Fenestre pass, then his body, transported by heifers, stopped at Pedona (now Borgo San Dalmazzo), where a Benedictine abbey was founded in his honour around 610-614. This abbey, looted by the Saracens in the tenth century, rebuilt its network of priories after 985, including Valdeblore. The donation of 1060 by the lords Rostaing and Adelaide marked the local anchor of the church, then integrated into the diocese of Nice.

Archaeological excavations revealed unique remains, such as the 12th century frescoes and the three crypts, including the central, contemporary church. The northern crypt, filled by a landslide, was rediscovered in 1978. The restoration work, led by architect Jean-Claude Yarmola, helped to restore the original level of the soil and rehabilitate access to crypts. The building thus illustrates the architectural and cultural evolution of an alpine priory, marked by earthquakes and liturgical adaptations.

The bell tower, rebuilt in 1740 after its collapse in 1564, and the 18th century vaults testify to successive repairs. The bells, classified as movable objects, underline the heritage importance of the site. Today, the church remains a major witness to the religious and artistic history of the Alpes-Maritimes, mixing Lombard influences, medieval cults and resilience to natural disasters.

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