A Roman-Byzantine style of understated grandeur
Built from white La Turbie stone in 1875, the cathedral captivates with its architectural harmony. Inside, visitors can admire a high altar in white Carrara marble, a bishop’s throne and an altarpiece by Louis Bréa, a Renaissance painter from Nice, dating from the year 1500. This religious masterpiece is a precious testament to the Mediterranean’s artistic heritage.
From the Church of Saint Nicolas to the present-day cathedral
It was between 1215 and 1240 that Le Rocher became a fortified town. On 6 December 1247, a papal bull issued by Pope Innocent IV established the first parish independent of La Turbie and authorised the construction of a church dedicated to Saint Nicolas, the patron saint of sailors. Completed in 1321, this church was built on the very site of the present-day cathedral.
Over the centuries, several chapels were added, creating a rich and complex place of worship. But in 1868, when the territory of Monaco was separated from the Diocese of Nice, the decision was taken to build a new cathedral. The old Church of Saint Nicolas was demolished, and on 6 January 1875, Prince Charles III laid the foundation stone of the present building.
The cathedral is dedicated to Our Lady of the Immaculate Conception and placed under the secondary patronage of Saint Nicolas and Saint Benedict. Its official consecration took place on 11 June 1911.
A grand organ unique in Europe
The grand gallery above the narthex houses a monumental organ, built in 1976 by Jean-Loup Boisseau, in collaboration with Pierre Cochereau and Canon Henri Carol, who served as its titular organist until 1984. It was subsequently taken over by René Saorgin, then by Olivier Vernet, who has been the titular organist since 2006.
Completely rebuilt by the Thomas Organ Factory (Belgium), the organ, completed in December 2011, is a masterpiece both musically and architecturally. It comprises 4 manuals, 79 stops and nearly 7,000 pipes.
Fine materials were used: Vosges fir for the bellows, maple for the console, and oak for the façade. Backlit Plexiglas panels visually convey the tonal colour of the organ stop, creating a unique multi-sensory experience.
Installed in 1976 by Tamburini ( Crema, Italy), the choir organ provides understated accompaniment for liturgical celebrations.
A vibrant place of celebration and culture
The Cathédrale Notre-Dame-Immaculée de Monaco is much more than a monument: it remains a place of worship and gathering, pulsating to the rhythm of major religious festivals.
Pontifical Masses are celebrated there on major liturgical feast days, notably:
- 27 January, the feast day of Saint Devota, patron saint of the Principality
- 19 November, Monaco’s National Day.
Every Sunday, from September to June, the 10.00 am Mass is sung by the Petits Chanteurs de Monaco and the Cathedral Choir, continuing a tradition of vocal excellence. Numerous concerts are also organised, showcasing the grand organ and the sacred repertoire.
A place of contemplation and wonder, the Cathedral is open to all, whilst respecting religious customs.
Combining architectural beauty, spiritual history and cultural life, the Cathédrale Notre-Dame-Immaculée de Monaco is a highlight of Monegasque heritage. Through its presence and traditions, it embodies the strong bond between the Principality, faith and art.
Free admission every day, except during religious services
Appropriate attire is required. Shoulders must be covered. Miniskirts and short shorts are prohibited (bermuda shorts are permitted).