2019 Fort De Chartres Winter Rendezvous Rate This Event The annual Fort De Chartres Winter Rendezvous on November 2-3, 2019 at Fort De Chartres in Prairie du Rocher, Illinois. The Fort De Chartres Winter Rendezvous features 18th and early 19th century camp life and re-enactors who participate in a muzzleloader woods walk shooting [read more]