
This 2-hour themed tour explores astronomy through puzzle-solving on a trail that allows families to explore Mont-Gros. The tour includes the Grande Coupole and the historic buildings of Mont-Gros.
The observatory's scientists have been away on an important mission and have left a large suitcase for you. Unfortunately, padlocks prevent it from being opened, and their keys are missing. Embark on an adventure with a guide to find them!
• Explore the Mont-Gros site with your family and enter its historic buildings.
• Discover the current activities and missions of the three laboratories of the Côte d'Azur Observatory.
• Solve puzzles that will delight all ages to discover the contents of this mysterious suitcase.
This 2-hour themed tour explores astronomy through puzzle-solving on a trail that allows you to discover Mont-Gros with your family. This tour includes the Grande Coupole and the historic buildings of Mont-Gros.
The UNIVERSARIUM museum area is not included in this themed tour. To visit this area, book a traditional tour entitled "Visit the Historic Site of Mont-Gros."
• Explore the Mont-Gros site with your family and enter its historic buildings.
• Discover the current activities and missions of the three laboratories of the Côte d'Azur Observatory.
• Solve puzzles that will delight all ages to discover the contents of this mysterious suitcase.
This 2-hour themed tour explores astronomy through puzzle-solving on a trail that allows you to discover Mont-Gros with your family. This tour includes the Grande Coupole and the historic buildings of Mont-Gros.
The UNIVERSARIUM museum area is not included in this themed tour. To visit this area, book a traditional tour entitled "Visit the Historic Site of Mont-Gros."
Services offered
Quality standards
Quality standards

Rates
Rates
From 28 October 2025 to 30 October 2025
From 28 October 2025 to 30 October 2025
Adult
10€
Child
10€
Family pass
25€
Opening times
Opening times
On 28 October 2025
- 14:00 at 16:00
On 30 October 2025
- 14:00 at 16:00
Location
Location
Spoken languages
Spoken languages