An incredible solar clock

Event activity : Guided tour
  • Groups
  • Groups only

In the old central school of Grenoble, where Stendhal was a student from 1796 to 1799, is located an outstanding heritage in the main staircase. A solar clock built in 1673 by the Jesuit Father Jean Bonfa.

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This mirror-reflected sundial, unique in the world, is a mechanism that tells time, but also seasons, astrological signs, the moon and the sun's position... A remarkable testimony of the science of the Jesuit Fathers from the 17th century.


Prices: 125€ per tourist guide, during the week.
Length: 1:15.
Visits in french, english, german.
Prices: for informative purposes only. Consult the group department for more information.

Opening periods

All year round, every Wednesday, Saturday and Sunday.

Equipments and characteristics

  • Pets refused