Abbatiale Déas site

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Presentation

A unique Carolingian monument ! 

The Carolingian abbey church which constitutes the heart of the “Déas” site was built at the beginning of the 9th century.
  •   The Carolingian abbey church
Admirable by the marriage of stone and brick and by the incomparable majesty of the heavy pillars of its checkerboard arches, this monument is in an exceptional state of conservation.
Classified as a historic monument, this work of transition between ancient art and the art of the Middle Ages is a rare witness to the Carolingian era.
The abbey church houses the sarcophagus of the city's eponymous saint.
A distant legend tells that if you pass under the tomb of Saint Philibert while making a wish, it will come true.
  •   The garden of the simple
Adjoining the abbey church, the garden is inspired by the plan of Saint-Gall.
It brings together in an educational way medicinal, aromatic, dyeing and ornamental plants cultivated during the time of Charlemagne.
  •   Birds of the lake and marshes
The press room permanently hosts an exhibition on the naturalized collection of Helmut Warzecha.
Around forty emblematic birds of the lake and its marshes are presented to better understand the fauna of this exceptional wetland which surrounds the site of the abbey.
  •   The temporary exhibition space
The abbey and its gardens inspire artists, photographers and historians. The boiler room temporarily accommodates the work of the latter.


Throughout the year, you can find the programme of exhibitions, children's events and guided tours on the website (bookings can be made online).


  A little extra for families: game booklets for a fun and educational visit, and the Baludik digital treasure hunt ‘In search of the hidden tomb’.


 
Opening day(s)

From Friday 02 January to Monday 30 March 2026

Wednesday, Friday, Saturday, Sunday

14:00 to 17:30

From Saturday 14 February to Sunday 01 March 2026

Every day except Monday

14:00 to 17:30

From Wednesday 01 April to Wednesday 30 September 2026

Every day except Monday

10:00 to 12:30 and 14:00 to 18:30

Friday 01 May 2026

From Thursday 01 October to Wednesday 30 December 2026

Wednesday, Friday, Saturday, Sunday

14:00 to 17:30

From Saturday 17 October to Monday 02 November 2026

Every day except Monday

14:00 to 17:30

From Saturday 19 December 2026 to Monday 04 January 2027

Every day except Monday

14:00 to 17:30

Thursday 24 December 2026

Friday 25 December 2026

Thursday 31 December 2026

Friday 01 January 2027

Information
  • SITUATION :
    • Le Pays de Retz Atlantique
  • Opening period :
    • Winter holidays
    • Spring holidays
    • Summer holidays
  • ACESSIBILITY :
    • Access with help
  • Facilities for mobility impaired persons :
    • Details of facilities Site partiellement accessible. Expos et jardin avec aide. Marches pour accès à l'abbatiale.
  • PETS :
    • Pets not allowed
  • Specific informations :
    • Preferential ticket prices at the tourist office
    • Online ticket sales

Tarifs

FaresCategoryMinMax
01/01/2026 - 31/12/2026
Free visitTarif plein5.00€
Free visitTarif réduit3.00€
Free visitMoins de 6 ansFree
Children's workshopTarif unique5.00€
01/07/2026 - 31/08/2026
Guided tour (July and August)Tarif plein7.00€
Guided tour (July and August)Tarif réduit5.00€
Guided tour (July and August)Moins de 6 ansFree
  • MEANS OF PAYMENT :
    • Cash in Euros
    • Credit card
    • Holiday vouchers (check only valid in France)
    • Bank and post cheques

Map

Destination
Site de l'Abbatiale Déas
2 place de l’abbatiale
44310
ST PHILBERT DE GRAND LIEU
GPS coordinates
Latitude : 47.03875
Longitude : -1.64086
See Abbatiale Déas site on GoogleMaps
LIEN_ACCES_MOTEUR_RESA_FICHE
Contact details
2 place de l’abbatiale
44310
ST PHILBERT DE GRAND LIEU
mail / message
Phone : +33 2 40 78 22 34
Website "Abbatiale Déas site"
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