Pontchâteau
commune in Loire-Atlantique, France
Pontchâteau (French pronunciation: [pɔ̃ʃato] ; Breton: Pontkastell-Keren) is a commune in the Loire-Atlantique department in western France.
Geography
Pontchâteau is located in the northwest of Loire-Atlantique, 19 km southeast of La Roche-Bernard (Morbihan), 30 km south of Redon (Ille-et-Vilaine), 25 km east of Saint-Nazaire and 53 km northwest of Nantes. The town is crossed by the Brivet.
Population
Communications
Pontchâteau is located at a major crossroads, at the junction of the RN 165, the Nantes-Vannes-Brest expressway, and the D 773, the Saint-Nazaire-Redon road.
Pontchâteau also lies on the Savenay–Landerneau railway line, and is served by a station.
Personalities
Jacques Demy (1931–1990), film director.
Lydie Denier (1964–), actress.
Begin with the source’s own compact description: “Pontchâteau” is commune in Loire-Atlantique, France. The dossier treats that line as a proposition to test through Pontchâteau, commune and Loire-Atlantique, not as a finished interpretation.
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The phrase “commune in Loire-Atlantique, France” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Mar 17, 2026. The linked authority identifier is Q818116. VIAF identifies the subject as 240845570. Authority coordinates are 47.437, -2.088. 3 of 3 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1931, 1990 and 1964.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Pontchâteau” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.