At the confluence of the Escaut and Hayne Rivers, Condé became an essential fort as far back as Roman times
Reputed to be impregnable, it was nevertheless taken by Vauban in six days, who then hastened to improve the medieval fortifications.
He particularly reinforced the defensive system of flooding, making it possible to flood 2,450 hectares around the town in 24 days.
Dismantled in later years, in 1923, this fort still has many remains, including part of the bastioned enclosure that (...)