12 observatories in France open to the public
| Observatory | Where | What you can do | Bortle |
|---|---|---|---|
| Astronomy Tower of the Sorbonne | Paris | SAF public observing evenings two nights a week, small groups; EUR 15 adult, EUR 7 under 14; book online | - |
| Besancon Observatory | Guided visits of historic buildings on scheduled days | - | |
| Bordeaux Observatory (historic) | Heritage Days visits | - | |
| Camille Flammarion Observatory (historic) | SAF public observing sessions and Heritage Days visits | - | |
| Cote d'Azur Observatory | Nice | Guided visits of Nice site Wed 2 pm and Sat 10 am and 2 pm; from EUR 12; book online | - |
| Lyon Observatory | Occasional public open days | - | |
| Nancay Radio Telescope | Guided observatory tours combined with Pole des Etoiles visitor center next door | - | |
| Nice Observatory | Guided visits Wed 2 pm, Sat 10 am and 2 pm (more in school holidays); from EUR 12; book at oca.eu/visites | - | |
| Pic du Midi Observatory | Bagneres-de-Bigorre | Summit open daily by cable car from La Mongie; museum and terraces; ticketed evening star sessions and overnight stays | - |
| Saint-Veran Observatory (Paul Felenbok Observatory) | Overnight observing stays for groups of 4-9 (EUR 120 adult); 4-6 hour hike or ski ascent; book months ahead | - | |
| Strasbourg Observatory | Strasbourg | Crypte aux etoiles instrument museum and Jardin des sciences planetarium; guided tours by booking; star nights at special events | - |
| Toulouse Observatory (historic) | Toulouse | Public evenings every Friday, 9:30 pm (arrive 9:00); talk on last Friday of the month; small fee | - |
Public nights usually start at dusk with a short talk and a turn at the eyepiece; many need tickets and cancel for clouds, so check each observatory's site on the day.
Research and private observatories in France
| Observatory | Where | Telescopes | Part of |
|---|---|---|---|
| Meudon Observatory (Paris Observatory) | |||
| NOEMA | Montmaur | part of Event Horizon Telescope | |
| Observatoire Midi-Pyrenees | Toulouse | ||
| Paris Observatory | Paris | ||
| Pises Observatory |
These sites do not run regular public viewing, or their access is not confirmed. Some hold a yearly open house; each page links to the official site.
Astronomy clubs and dark sky places in France
Clubs bring telescopes to public star parties and welcome visitors at their meetings. See the 9 astronomy clubs in France.
- Regional Natural Park of MorvanBortle 3, Saint-Brisson, France
- Alpes Azur Mercantour International Dark Sky ReserveBortle 3, Saint-Etienne-de-Tinee, France
- Millevaches Regional Natural ParkBortle 3, Saint-Gilles-les-Forets, France
- Cevennes National ParkBortle 3, L'Esperou, France
- Pic du Midi International Dark Sky ReserveBortle 3, La Mongie, France