Introduction
Astrieves manages the Trièves astronomical observatory. It regularly organizes events for the general public on request for groups (schools, etc.). On specific dates for individuals during the summer and winter vacations.
Our animators will help you discover astronomy as a family. This activity is designed for people who want to familiarize themselves with the winter or summer sky, orient themselves and recognize the main constellations in just a few hours.
Observation of constellations with laser pointers and of the winter or summer sky through open-air telescopes (planets, galaxies, nebulae, star clusters, etc.).
For young and old alike!
Dress warmly whatever the season!
Duration : 3h
Other information
The program of events is available on the agenda of the Tourist Office website, and in the Gresse en Vercors welcome booklet (depending on the season).
Opening Hours / Rates
Opening Hours
Monday 22 December 2025 between 8.30 pm and 11 pm.
Tuesday 30 December 2025 between 8.30 pm and 11 pm.
From 09/02 to 04/03/2026 on Monday and Wednesday between 8.30 pm and 11 pm.
From 13/07 to 24/08/2026 on Monday and Wednesday between 9 pm and 11 pm.
Subject to favorable weather.
Rates
22/12/2025
Adult: from 5 €
Child (16 years): from 3 €.
30/12/2025.
From 09/02 to 04/03/2026.
From 13/07 to 24/08/2026.
Free entry for children under 5.
Payment Methods
Location
Les Dolomites
38650 Gresse-en-Vercors
Latitude : 44.90013
Longitude : 5.554026
A découvrir aussi
The association manages the Trièves astronomical observatory. It regularly organizes events for the general public. Only during school vacations (except spring and autumn).
Association Astrieves
Gresse-en-Vercors
The Trièves Astronomical Observatory is located in Gresse en Vercors, near the Dolomites. It features a digital planetarium, several telescopes and an exhibition room. The Astrieves association runs the observatory and organizes tours.
Trièves Astronomy Observatory
Gresse-en-Vercors