As far back as ten centuries ago, local produce, timber, and wood products were shipped along an old, well - known route ​ — southward down the Drwęca River to the Vistula River and then northward to the Baltic Sea.
Kuģi brauca pa senu un iecienītu maršrutu — pa Drvencas upi līdz Vislai un tad pa Vislu līdz Baltijas jūrai.