Château d’Onzain

Château d'Onzain — Château in Onzain (Loir-et-Cher) inscrit Monument Historique (inscribed) in 2014 under the French Heritage Act.

Identification & Protection

Mérimée reference

This monument is referenced in the French architectural heritage database (Mérimée) under the identifier PA41000069. Full archival records are published by the Ministère de la Culture at pop.culture.gouv.fr.

Protection status

The building is inscrit Monument Historique (inscribed) (since 2014), the highest French-law category for heritage immeubles.

Les parties comprises entre le Cissereau, la rue de la Fontaine, le moulin et enfin la rue de l'Ecrevissière soit les parcelles R 942 et 943 ( douves maçonnées), R 207 (plate-forme et ses constructions), les sols des potagers (R 198,199, 203, 204, 205, 691, 728, 755, 853, 854), les sols du moulin (R 190,191), enfin les façades et toitures des granges et celliers de la basse-cour situés entre le 22 et 32 rue de la Ragadinière (R 108 (cellier), 118, 119, 120, 124, 492, 802, 805) : inscription par arrêté du 31 mars 2014

Ownership

Current legal status: propriété privée ; propriété d'une société privée ; propriété de la commune.

Location & Access

Commune and département

Located in Onzain, Loir-et-Cher, within the Centre-Val de Loire region of France.

Coordinates

GPS coordinates: 47.5009°N, 1.1753°E (WGS 84).

Nearby protected sites

Monument	Commune	Protected
Ancien château de Fontenailles	Lorges	1928
Maison du 16e siècle de Blois	Blois	1941
Immeuble de Blois	Blois	1928
Eglise Saint-Martin de Lorges	Lorges	1906
Couvent Notre-Dame des Anges dit "des Bernardines"	Saint-Aignan	2006

Loire Context

Architectural context

Built or restructured in the 17e siècle.

Relative significance

Among the earliest-protected buildings of the département — a landmark of the 1840 heritage wave.

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 Château d'Onzain located?

Château d'Onzain is located in the commune of Onzain (Loir-et-Cher).

When was Château d'Onzain protected?

It was inscrit Monument Historique (inscribed) in 2014 under the French Heritage Act, with reference PA41000069 in the Mérimée database.

When was Château d'Onzain built?

The main construction campaign dates from the 17e siècle.

Data source: Ministère de la Culture — base Mérimée (data.culture.gouv.fr). Last updated: April 14, 2026.