Former 12th century keep transformed into a military building, the Tower Ostrevant now houses various collections. Through objects and time accounts, you dive into the local military history, world skippers and rural life in the last century. Open all year by appointment, guided tour from April to October every Sunday from 15h to 18h. Last visit at 16:45. Duration of the visit: 1h30. Adult rate: 2,50 €. Free children - 14 years together.