Observatoire de l'Ardeche
Satellite imagery: Esri, Maxar, Earthstar Geographics
In the village of Mars in the Ardèche, southern France, the Observatoire de l'Ardèche - also known as Planète Mars-Observatoire Hubert Reeves - has turned a small commune's name into a fitting home for stargazers. Run with the local Mars Astronomy Club, it is one of the region's most active public observatories.
About Observatoire de l'Ardèche
The observatory is part of the CCSTI network (Centre de Culture Scientifique, Technique et Industrielle), which supports science outreach across France. Alongside the Mars Astronomy Club, it runs a full programme of public observation evenings, star festivals, school visits, and astronomy courses aimed at bringing the night sky to a wide audience.
Telescopes & research
Observation sessions here are built around an RC600 telescope, used for both astrophotography and stellar studies. The site has been recognised as one of only eleven exceptional astronomical locations in France protected for the preservation of its dark night sky, which makes fine detail in deep-sky objects far easier to pick out than at a typical urban site.
Location & getting there
Observatoire de l'Ardèche sits at roughly 1,080 metres above sea level in the hills of the Ardèche department, in southern France's Auvergne-Rhône-Alpes region. The elevation and protected dark-sky status combine to give clear, steady views over the surrounding countryside.
Visiting Observatoire de l'Ardèche
The observatory welcomes the public for evening observation sessions, seasonal star festivals, and organised school visits, plus astronomy courses for beginners and enthusiasts. Programmes vary through the year, so checking ahead before a visit is recommended.
See your named star from here
Every star named through Star Register comes with precise coordinates, and staff at a well-equipped site like this can point a telescope at those coordinates on a clear night. Browse the catalogue to see how a named star's position is recorded, then plan an evening under the Ardèche's protected dark skies.
Opening hours and public-visit programs vary by season. Check Google Maps for current times before you travel.

