Dolmen sous tumulus, au lieudit Dissignac
site archéologique;dolmen
PA00108816
French architectural heritage database reference.
Classé (1889)
Status under the French Heritage Act.
Dolmen sous tumulus, au lieudit Dissignac — Site archéologique;dolmen in Saint-Nazaire (Loire-Atlantique) classé Monument Historique (listed) in 1889 under the French Heritage Act.
Historical notice
Le dolmen daterait de 4300 avant J.C.
Identification & Protection
Mérimée reference
This monument is referenced in the French architectural heritage database (Mérimée) under the identifier PA00108816. Full archival records are published by the Ministère de la Culture at pop.culture.gouv.fr.
Protection status
The building is classé Monument Historique (listed) (since 1889), the highest French-law category for heritage immeubles.
Le dolmen : classement par liste de 1889
Ownership
Current legal status: propriété de l'Etat.
Location & Access
Commune and département
Located in Saint-Nazaire, Loire-Atlantique, within the Pays de la Loire region of France.
Coordinates
GPS coordinates: 47.2710°N, -2.2794°E (WGS 84).
Nearby protected sites
| Monument | Commune | Protected |
|---|---|---|
| Immeuble de Nantes | Nantes | 1951 |
| Hôtel Saint-Clair de Guérande | Guérande | 1994 |
| Atelier de potier de Herbignac | Herbignac | 1986 |
| Eglise Saint-Jean de Béré | Châteaubriant | 1906 |
| Château du Ranroët (ruines) | Herbignac | 1925 |
Loire Context
Architectural context
Built or restructured in the Néolithique;Chalcolithique.
Relative significance
Among the most recently protected sites of the département — typically 20th- or 21st-century inscriptions.
UNESCO landscape
The Loire Valley is inscribed on the UNESCO World Heritage list since 2000 as a cultural landscape. Read the anchor page: Abbey Church of Saint-Savin sur Gartempe.
Frequently asked questions
Where is Dolmen sous tumulus, au lieudit Dissignac located?
Dolmen sous tumulus, au lieudit Dissignac is located in the commune of Saint-Nazaire (Loire-Atlantique).
When was Dolmen sous tumulus, au lieudit Dissignac protected?
It was classé Monument Historique (listed) in 1889 under the French Heritage Act, with reference PA00108816 in the Mérimée database.
When was Dolmen sous tumulus, au lieudit Dissignac built?
The main construction campaign dates from the Néolithique;Chalcolithique.
Data source: Ministère de la Culture — base Mérimée (data.culture.gouv.fr). Last updated: April 14, 2026.
Geographic location
Coordinates: 47.2710°N, -2.2794°E