Notre-Dame-et-Saint-Arnoux cathedral is the seat of the diocese of Gap, in the Hautes-Alpes.
It is dedicated both to Our Lady of the Assumption and to Saint Arnoux (or Arnould), bishop of the city in the 11th century.
The current cathedral was built from 1866 to 1904 to replace a medieval cathedral which threatened to ruin.
Neo-Gothic style (but elements also evoke the Romanesque or even Byzantine influences), it was designed by the architect Charles Laisné.
Listed as a Historic Monument since 1906, it notably houses a glass roof created by the master Emile Hirsch and a mosaic partly covering the aisle of the nave and the choir created by Gian Domenico Facchina in 1892, an artist who also designed the facades of the Opéra Garnier in Paris. As for the organ, it was replaced in 1981.
Inspired by its Lombard-style neighbor, the Embrun cathedral, the cathedral of Gap presents a singular polychrome facade due to the use of colored stones different (white, gray, pink) from 41 quarries!
Finally, symbolically, the bell tower which rises to 70 m makes the cathedral the tallest building in the city.
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