Fête d'Osny
The annual festival of the commune of Osny in the Cergy-Pontoise agglomeration
2026
About Fête d'Osny
Our team has not been able to confirm with an official source that this 2026 edition is taking place. The dates and program shown below may be outdated. We strongly recommend that you contact the organizer directly to verify before any travel or registration.
Fête d'Osny — edition 2026
Fête d'Osny 2026
The Fête d'Osny returns in summer 2026 for a new festive and popular edition in the public spaces of the commune. Concerts, children's entertainment, and associative stands will be on the program for this friendly weekend.
Prices Fête d'Osny 2026
Fête d'Osny — 2027 edition
The 2026 edition was held from 27 June to 28 June 2026. The dates for the 2027 edition have not been announced yet. This page will be updated as soon as the official programme is published.
Practical information — Fête d'Osny
Practical information
Location
The Fête d'Osny takes place in the public spaces of Osny: squares, parks, and green spaces of the commune.
Access
By public transport: CY Bus from Pontoise (RER C and H station).
By car: D915 from Pontoise (3 km) or A15 exit Cergy-Pontoise. Parking in the commune's car parks.
Prices
Free entry.
Contact
Town of Osny
Place de la Mairie, 95520 Osny
Tel: 01 30 75 30 00
Website: osny.fr
The Fête d'Osny: a commune celebrating
The Fête d'Osny is the unmissable festive event for the inhabitants of Osny, a residential commune in the Cergy-Pontoise agglomeration located a few kilometers from Pontoise, the prefecture of Val-d'Oise. Every summer, the town transforms into a festive space to host a popular and family-friendly festival that brings together the entire local community.
The Town of Osny and its local associations invest each year to offer a rich and varied program, suitable for all audiences. Concerts by local and regional bands, fairground attractions, games and workshops for children, catering, and associative stands make up the program of this friendly summer festival.
Music and entertainment
The Fête d'Osny offers an eclectic musical program that reflects the diverse tastes of the commune's inhabitants. Rock, French variety, world music, and jazz bands take turns on stage to liven up the festive evenings and afternoons. Popular dances perpetuate a dancing tradition highly appreciated by the older generation.
A participatory event
The involvement of local associations is at the heart of the Fête d'Osny. Sports clubs, cultural associations, and leisure groups actively participate in the organization and animation of the festival, running stands, organizing demonstrations, and contributing to the friendly and festive atmosphere. The festival is thus a reflection of the richness of Osny's associative fabric.
Osny, a commune between Pontoise and nature
Osny benefits from a pleasant living environment between the urban center of Pontoise and the surrounding natural spaces. The commune is crossed by the Viosne, a tributary of the Oise, and has significant green spaces. This natural setting contributes to the relaxed and pleasant atmosphere of the annual festival.
Where does it take place — Fête d'Osny
Fête d'Osny in brief
History of Fête d'Osny
Edition 2025 Jun 2025Other festivals near Osny
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Published by Valentin Contard, festival listings writer. Reviewed, corrected and approved by Christophe Contard, editor-in-chief. .
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