




In the Early Middle Ages, a significant Episcopal group formed here, with the particularity, as early as the 11th century, of having a co-cathedral: two cathedrals, Our Lady and Saint Thyrse, stood side by side.
The Wars of Religion affected the monument, whose bell tower has been rebuilt and portal has been restored. The latter features mediaeval chapiters. The stain glass of the large rose windows dates from the 19th century.
The nave is particularly vast, with a perched lancet-arch vault that is over sixteen metres high. The decoration on the chapiters is highly diverse. Building work on the side chapels began in the 16th century. Numerous protected paintings can be found here.
The barrel vault of the choir is formed by alternate layers of black and white stone, a typical feature of Lombardic work.
The eighteen stalls in carved walnut date from the 17th century, as does the retable in golden wood that surmounts the high alter. An Episcopal see to the right of the high alter and a carved panel depicting Saint Francis of Sales and Saint Barbara can be seen here.
The nave is particularly vast, with a perched lancet-arch vault that is over sixteen metres high. The decoration on the chapiters is highly diverse. Building work on the side chapels began in the 16th century. Numerous protected paintings can be found here.
The barrel vault of the choir is formed by alternate layers of black and white stone, a typical feature of Lombardic work.
The eighteen stalls in carved walnut date from the 17th century, as does the retable in golden wood that surmounts the high alter. An Episcopal see to the right of the high alter and a carved panel depicting Saint Francis of Sales and Saint Barbara can be seen here.
Accessibility
Accessibility
Accessible for wheelchairs with assistance
Rates
Rates
Free entry.
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Openings
Openings
From 19 October 2025 until 31 October 2025 - Closed on friday
Location
Location
Contact Cathedra Notre-Dame et Saint-Thyrse
- www.sisteron.com
Spoken languages
Spoken languages
Environment
Environment
- Lakeside or by stretch of water
- Riverside
- Close to GR footpath
- Close to a motorway
- Waterside
- Bus station under 300 m
- Station district
- Town location
- In centre of town
- Lake 5 km away
- River 5 km away
- Close to a public transportation
- Bus stop < 500 m
- Near shuttle stop


