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Observatory, Mt-Soleil

 "To make the most of our visit, we booked a guided tour. We just had to hope for good weather. The planetarium was a revelation, and I was fascinated by the technologies used in the field of astronomy. Seeing the sky so close up really affects you. My thoughts were all jumbled up; as I learned about the technical realities".


Opening times
Open all year upon reservation except over the Christmas and New Year periods. Dates of activities on .

4 different tours available

  • Delphinus (day), 1 hr, CHF 10.00/adult and CHF 5.00/child. Minimum CHF 150.00
  • Eridanus (day), 1 hr 30 min., CHF 15.00/adult and CHF 8.00/child. Minimum CHF 200.00
  • Taurus (evening), 1 hr 30 min., CHF 15.00/adult and CHF 8.00/child. Minimum CHF 200.00
  • Sagitta (evening), 2 hrs - 2 hrs 30 min., CHF 23.00/adult and CHF 11.00/child. Minimum CHF 300.00

Good to know

  • The Mt-Soleil astronomy observatory is the most recent scientific development in the Bernese Jura. With the latest technologies in the field of semi-professional visual astronomy, the observatory, with its 4.5 metre diameter planetarium, takes you on a discovery of the sky and its mysteries.
  • Reservation (minimum 7 days in advance) : Astronomy courses, conferences, observations and special programmes for groups or companies are available on request.
  • Languages: French, German
  • Max. 25 persons per group
  • For children from 10 years


Espace découverte Energie 2018 | PDF, 6.76 MB

Jura bernois Tourisme
Place de la Gare 2
2610 St-Imier
T. +41 (0) 32 942 39 42

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