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Base Mérimée: Monuments historiques · France

Domaine de Grouchy, actuellement Hôtel de ville

Osny, Val-d'Oise, France

The record

Designation
Historic monument, registered (inscrit)
Protection
inscrit MH
Extent of protection
L'ensemble du domaine constitué par le château en totalité ainsi que tous les éléments architecturaux du parc (cad. AD 27, 28, 34 à 37, 52, 53, 55 à 64, 161) : inscription par arrêté du 4 mai 1990
Protection dates
1990/05/04 : inscrit MH
Type
château
Main period of construction
18e siècle, 19e siècle
Ownership
propriété de la commune
Commune
Osny
Département
Val-d'Oise
Region
Île-de-France
Country
France
Coordinates
49.06619, 2.06144
Mérimée reference
PA00080154

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

5 historical maps cover this location, the earliest the 1695 map "La Generalite de Paris (northern sheet)." (David Rumsey Map Collection, Stanford Libraries).

Get directions ↗

This record on the Ministère de la Culture's POP platform ↗

The Ministère de la Culture's notice

Domaine situé dans l'agglomération nouvelle de Cergy Pontoise. Le château a été construit au 18e siècle et aménagé au 19e siècle. Dans le parc sont conservés les murs de soutènement, écuries, escaliers, groupes sculptés et glacières du 18e siècle ainsi que les portails du 19e siècle.

English translation

The text above is the record as published by the Ministère de la Culture, in French. The English below is a machine translation made by TreeAlive, not by the Ministère de la Culture; it has not been checked by a person. Where the two differ, the original is the record. Report a translation error: privacy@treealive.com

Estate situated in the new agglomeration of Cergy Pontoise. The castle was constructed in the 18th century and arranged in the 19th century. In the park are preserved the retaining walls, stables, staircases, sculptured groups and ice-houses of the 18th century as well as the gateways of the 19th century.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Base Mérimée, Ministère de la Culture, data last updated 2026-09-17, reused under the Licence Ouverte / Open Licence 2.0 (Etalab). Record text is reproduced unchanged. Ministère de la Culture · Licence Ouverte 2.0
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