How about spending the first weekend in August with your head in the air? With Nuit des Étoiles 2025, take advantage of the beautiful summer nights to admire the stars in the company of amateur or professional astronomers. Among the many activities on offer in the region on this occasion, theUranoscope d'Île-de-France, located in Gretz-Armainvilliers, Seine-et-Marne, invites you to discover all the mysteries of the celestial vault on August 1 and 2, 2025. The event is totally free and open to all!
From 9 p.m. to 2 a.m., families will be able to contemplate the stars with the help of various scientific instruments, as well as immerse themselves in the magical world of astronomy through lectures, workshops and naked-eye observations. To help you discover the starry skies, a free sky map will be available at the start of the evening, with all the explanations you need to follow along and learn everything you need to know about the stars!
Make a note of it in your diary and don't miss Nuit des Étoiles 2025 for evenings of daydreaming with family and friends!
Les Nuits des Étoiles 2025: dates and programme of events in Paris and the Île-de-France region
Nuits des Étoiles returns August 1-3, 2025. For a whole weekend, astronomers will be inviting the curious to observe the stars in Paris and the Ile-de-France region! Click here to discover our selection of activities in the region. [Read more]
Dates and Opening Time
From August 1, 2025 to August 2, 2025
Location
Ile-de-France Uranoscope
Allée Camille Flammarion
77220 Gretz Armainvilliers
Access
RER E "Gretz-Armainvilliers" station
Prices
Free
Official website
www.afastronomie.fr



Les Nuits des Étoiles 2025: dates and programme of events in Paris and the Île-de-France region














