Observatoire de la Côte d’Azur

The Observatoire Côte d'Azur on Nice's Mont-Gros offers a remarkable scientific, historical and natural heritage, as well as a brand-new interactive Universarium space.

Founded in 1881, the Nice Observatory is today one of the 4 geographical sites of the Observatoire de la Côte d'Azur, a public research establishment in Earth and Universe sciences. Located on Mont-Gros, to the east of the city of Nice, the site combines an exceptional historical heritage with contemporary research infrastructures.
Built by Charles Garnier, it houses the largest mobile dome in Europe, designed by Gustave Eiffel.
The newly-opened Universarium interactive space will take you on a journey from the Big Bang to the heart of the stars, test your knowledge of the solar system, and take you on an immersive journey through the universe.
To discover this exceptional site, tours are organized for the general public all year round, online registration required: www.oca.eu/visites.
Access on your own, on foot or by vehicle, is strictly forbidden unless accompanied by an Observatory staff member, during guided tours. Online registration required: www.oca.eu/visites under "tours".

Visual cards French Riviera Pass

Included with the French Riviera Pass

The treasures and secrets of astronomy will be revealed to you, including the largest mobile dome in Europe designed by Gustave Eiffel and its new interactive Universarium space.
Guided tour, on foot.

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Opening periods

From 01/01 to 31/12
Opening hours on Monday, Tuesday, Wednesday, Thursday and Friday between 9 am and 12 pm and between 1.30 pm and 5 pm.
Closed Saturday and Sunday.
Closed the first week of January and the last week of December
Public visits: Wednesdays at 2pm and Saturdays at 10am and 2pm and from Wednesday to Saturday at 10am and 2pm during zone B holidays. Visits are not possible on bank holidays, except in exceptional circumstances.
Group visits: Tuesday to Friday (on request on Saturdays).

Accepted payment methods

  • Credit card payment
  • Bank checks
  • Cash


Full price: 12 € (Full price : Adult without discount)
Reduced price: 10 € (Seniors (aged 60 and over) living in the Nice metropolitan area.)
Child : 6 € (Free for children under 6 years old.)
Student: 6 € (Upon presentation of the student card.)
Family pass: 25 € (Package dedicated to special family visits.
For a group of 4 people including a minimum of one child.)
Group adults: 150 € (2h/2h30 tour)
Set price group children : 60 € (2h30 tour for schools and leisure centers).

Free entry for disabled people and accompanying persons.
Child entry valid for 6 - 18 years.

Group packages for visits and discovery of Mont-Gros, school groups.

On the map

Activities available within a 2km radius

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