Introduction
Astrieves manages the Trièves Astronomical Observatory. It offers activities for the general public and, upon request, for groups (schools, etc.). Public sessions are held during the Christmas, winter, and summer school breaks.
Under the skies of the Vercors, designated an International Dark Sky Reserve, an introductory astronomy session held indoors or in a planetarium, sky tours using laser pointers to discover the constellations and deep-sky observations through telescopes: planets, galaxies, star clusters, nebulae…
No reservation required. Simply go to the Trièves Observatory to purchase tickets.
Dress warmly in both winter and summer.
Access: Les Dolomites Residence, past the porch of the last building above the pool.
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
From 13/07 to 24/08/2026 on Monday and Wednesday between 9 pm and 11 pm.
From 21/12 to 30/12/2026 on Monday and Wednesday between 8.30 pm and 10.30 pm.
From 08/02 to 03/03/2027 daily between 8.30 pm and 10.30 pm.
From 12/07 to 23/08/2027 daily between 9 pm and 11 pm.
Subject to favorable weather.
Rates
Adult: from 6 €
Child (7-16 years): from 4 €.
Free entry for children under 7.
Payment Methods
Location
Résidence Les Dolomites
Après le porche du dernier bâtiment au dessus de la piscine
38650 Gresse-en-Vercors
Past the building's porch above the pool
Latitude : 44.90013
Longitude : 5.554026
A découvrir aussi
The association manages the Trièves Astronomical Observatory. It regularly offers activities for the general public, exclusively during the Christmas, winter, and summer school breaks.
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