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Pontoise (95), cathédrale Saint-Maclou, vue depuis le jardin des Cinq Sens (promontoire du château)
A view of the cathedral of Saint-Maclou, from the Garden of Five Senses, on the promontory of the castle
Coat of arms of Pontoise
Coat of arms
Location (in red) within Paris inner and outer suburbs
Location (in red) within Paris inner and outer suburbs
Pontoise is located in France
Location in France
Pontoise is located in Île-de-France (region)
Location in Île-de-France (region)
Country France
Region Île-de-France
Department Val-d'Oise
Arrondissement Pontoise
Canton Pontoise
Intercommunality Cergy-Pontoise
7.15 km2 (2.76 sq mi)
 (Jan. 2021)
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Time zone UTC+01:00 (CET)
 • Summer (DST) UTC+02:00 (CEST)
INSEE/Postal code
95500 /95300
Elevation 22–87 m (72–285 ft)
(avg. 27 m or 89 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Pontoise is a commune in the northwestern suburbs of Paris, France. It is located 28.4 km (17.6 mi) from the centre of Paris, in the "new town" of Cergy-Pontoise.


Pontoise is the official préfecture (capital) of the Val-d'Oise département, although in reality the préfecture building and administration, as well as the department council (conseil général), are located in the neighboring commune of Cergy, which is regarded as the de facto capital of Val-d'Oise.

Pontoise is also the seat of the Arrondissement of Pontoise. The sous-préfecture building and administration, unlike the préfecture, are located inside the commune of Pontoise.

Sister cities

The city of Pontoise has three sister city relationships with:


Pontoise is the historical capital of the Vexin français. Its foundation dates from Roman times (Pontisara). At that time, the rock peak overhanging the river Oise supported the defense of the fort which was on the Roman road, the Chaussée Jules César, between Lutetia (Paris) and Rotomagus (Rouen). The road still exists and is now part of the N14 from Paris to Rouen. It is also known to many people as the birthplace of the alchemist Nicholas Flamel. With an over 2,000 year legacy, Pontoise still has vestiges of the past, such as medieval lanes, convents, churches and museums, and was awarded the "City of Art and History Label" in 2006. The impressionist painter Camille Pissarro made it famous through many paintings which are present nowadays in the most famous art galleries in the world.

Twin towns

Pontoise is twinned with:

Images for kids

See also

Kids robot.svg In Spanish: Pontoise para niños

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