With its mysterious forests, ancient abbeys, and castles steeped in history, the Val-d'Oise is the ideal setting to celebrate Halloween 2025 with family or friends. During the All Saints' Day holidays, the Val d'Oise comes alive with haunted evenings, creative workshops, costume shows, and nighttime tours that immerse young and old alike in an atmosphere worthy of a fantasy film. The department promises aHalloween experience rich in thrills, laughter, and discoveries, in the heart of the most emblematic places in Île-de-France.
Every year, Val-d'Oise towns, castles and amusement parks go to great lengths to test your courage in escape games specially designed for Halloween, terrifying races where zombies are on your heels, or quieter workshops to create your own pretty decorations as a family, in an atmosphere that's both festive and more or less spooky depending on the target audience.
The more adventurous will be tempted by immersive evenings or night-time hikes in the woods, by lantern light and the sound of crackling leaves, but beware of what might follow you into the woods or into the dimly-lit alleys of the villages of 95...
Halloween 2025: murder mystery party at the Domaine de Maffliers, in the Val-d'Oise
Immerse yourself in a life-size Murder Party at the Domaine de Maffliers on October 31 and November 1, 2025. An immersive Halloween investigation to be experienced in a castle near Paris, combining theater, mystery, and gastronomy. [Read more]
Halloween 2025: buffet, nocturnal tour and spooky workshops at the Abbaye de Royaumont (95)
For Halloween and the All Saints' Day vacations, Royaumont Abbey summons the ghosts of its past for storytelling and theatrical tours that will thrill the whole family! Discover the program. [Read more]
Halloween 2025: venture into the Forest of Terror at Sherwood Parc (95)
Sherwood Parc is transformed for Halloween: come and explore the Forest of Terror, from October 1 to November 2, 2025. Do you dare to venture in? [Read more]
Halloween 2025 in Osny (95): pumpkin contest and immersive trail at Château de Grouchy
The Château de Grouchy in Osny (95) opens the gates of fright for Halloween, on October 31, 2025. With pumpkin contests, bewitching tales and an immersive haunted trail, get ready for an evening of mystery and magic. So... are you ready to shiver in the dark corridors of this historic Val-d'Oise monument? [Read more]
Halloween 2025 at Koezio Cergy: Ritual, an immersive experience combining cults, riddles and thrills
Koezio Cergy transforms itself into an urbex exploration ground for Halloween with Ritual, an immersive trail of enigmas, traps and an eerie sectarian atmosphere. A spooky universe to discover on October 30 and 31, 2025. [Read more]
Halloween 2025: Do Not Finish (DNF), the zombie trail in a Val d'Oise village
Sports enthusiasts who like to scare themselves are in for a treat in the small village of Andilly, 95, where zombies are lurking, ready to make your trail run a living hell! Fortunately, other equally intense but less scary races await you, from October 31 to November 2, 2025. [Read more]
This page may contain AI-assisted elements, more information here.
