| Observatoire Astronomique de Mont-Soleil | |
| Organization: | Fondation de l'Observatoire Astronomique de Mont-Soleil, Société d'Astronomie de St-Imier - Les Pléiades |
| Location: | Saint-Imier, Canton of Bern, Switzerland |
| Coords: | 47.164°N 6.9896°W |
| Established: | 2002 |
| Website: | www.pleiades.ch |
Observatoire Astronomique de Mont-Soleil is an astronomical observatory located on Mont-Soleil, above Saint-Imier in the canton of Bern, Switzerland. It has a dome of 4.5m.[1]