Elbląg Canal is a canal in Poland, in Warmian-Masurian Voivodeship, 80.5 kilometres in length, which runs southward from Lake Drużno, to the river Drwęca and lake Jeziorak. It can accommodate small vessels up to 50 tonnes displacement. The difference in water levels approaches 100 metres, and is overcome using locks and a system of inclined planes …Elbląg Canal is a canal in Poland, in Warmian-Masurian Voivodeship, 80.5 kilometres in length, which runs southward from Lake Drużno, to the river Drwęca and lake Jeziorak. It can accommodate small vessels up to 50 tonnes displacement. The difference in water levels approaches 100 metres, and is overcome using locks and a system of inclined planes between lakes.