Tour de Bluff is bicycle ride which will take you along the Bluff Road in the Prairie du Rocher IL area. The ride begins at 8:00 am at the Prairie du Rocher IL Village Park and completes at the Prairie du Rocher IL Village Park at 11:00 am. You will be enjoying scenic bluffs, Mississippi River Valley & Historic Fort de Chartres. Please bring your bicycle/helmet. This event is for all ages to enjoy.