From 17 October to 11 November 2026, hunt for the monsters of ‘Morez de trouille!’ with Jur’Aventures and solve the riddles.
About this event in the Jura in Hauts de Bienne
A Halloween investigation in the streets of Morez
The ‘Morez de trouille!’ trail from Jur’Aventures begins with an alert: last night, the Halloween monsters escaped from the cemetery. Léo, Léa and Lucas need help finding them before they terrorise the residents.
In Morez, in the municipality of Hauts de Bienne, the search takes place in the streets. Follow the trail of the Haut-Jura’s most outlandish creatures and solve the riddles along the route. This Jur’Halloween adventure is available from 17 October to 11 November 2026.
Accessing the trail
To take part, download the Jur’Aventures app, available on Google Play and the App Store, then search for the ‘Morez de trouille!’ trail. The website address is www.jura-aventures.fr.
Collecting your reward
After hunting for the monsters and solving the riddles, head to the tourist office to collect your reward. Rewards can be collected Monday to Friday, from 9.30am to 12 noon and from 2pm to 5pm.