At the heart of the 19th century, the engineer Louis Vicat creates the artificial concrete. Here starts a true fondness for this "grey gold".Read more
Prices: 125€ per tourist guide, during the week.
Lenght: 1:30 to 2 hours.
30 persons maximum per guide.
Visits in French, German.
Prices: for informative purposes only. Consult the group department for more information.
All year round, daily.