Drawbridges or pontoon bridges are opened at certain times. Each time, it is worth determining the exact time of the next bridge opening with the staff.
The canal locks of the waterway are opened on request, at specific hours. The lock staff should be notified by phone, half an hour before you plan to pass through the lock. Phone numbers are given below. Before you set off on your cruise, it is worth checking the actual water levels. At high stages on the Vistula River the following locks are closed: Gdańska Głowa, Przegalina and Biała Góra.