A medieval tower (12th-14th century), fortifications, and a seigneurial residence.

An extraordinary medieval defensive system

Scale models showing the intricate architecture and the development of three adjoining towers:
the 12th century Tour Vieille (Old Tower),
the Tour Neuve (New Tower)
and the 14th century Croton Tower.

A covered terrace with 7 sloping roof sections
for collecting rainwater to fill a storage tank 9.30 m deep with a capacity of up to 65,000 litres.

Prison cells
that housed men, women, and children over the course of three centuries.

 Graffiti
recording prisoners’ sufferings and hopes.

Historical documents
(lettres de cachet, and petitions) from the prison era.

At the top of the Tower, orientation tables
illustrating the outstanding panoramic view of the Drôme Valley and its landforms, along with the Vercors, and the Ardèche mountains.