This 2-hour themed tour explores astronomy through puzzle-solving along a route that allows families to discover Mont-Gros. The tour includes the Grande Coupole and the historic buildings of Mont-Gros.
The scientists at the observatory have left on an important mission and left a large suitcase for you. Unfortunately, padlocks prevent it from being opened, and the keys are missing. Embark on an adventure with a guide to find them.
