The Silesian Canal was one of the most ambitious inland waterway projects planned in southern Poland. Its main purpose was to create a navigable connection between the Oder and Vistula river systems and provide the industrial region of Upper Silesia with direct access to Poland’s major waterways. Different routes were considered during the 20th century. A northern variant would have crossed the heavily industrialised centre of Upper Silesia, while the southern route avoided the most densely developed areas. In the 2019 concept the waterway would be more than 90 km long, about 45 m wide and 3.5 m deep. Its western section would use existing canal infrastructure near Kędzierzyn-Koźle and then continue towards Kuźnia Raciborska, where the Silesian Canal would separate from the planned Oder–Danube waterway. From there, the new canal would follow the Ruda valley towards Rybnik. Near Żory it would cross the main watershed between the Oder and Vistula basins, reaching its highest section around Zgoń. It would then descend through the Gostynia valley, pass south of Bieruń Stary and finally enter the Vistula about 0.5 km upstream from the mouth of the Przemsza. The project required 9–10 weirs with locks and would have had to overcome an elevation difference of about 70 m from the Oder side and 40 m from the Vistula side. Limited local water resources were one of its greatest technical challenges, making a system of pumps necessary to supply the canal’s upper level.
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Kędzierzyn-Koźle, Kędzierzyn-Koźle County, Opole Voivodeship, Poland
The western end of the canal system. The historic Port of Koźle provided access to the Oder waterway, while some versions of the project also proposed a connection with the nearby Kędzierzyn Canal. From here, vessels could continue north along the Oder.
Kuźnia Raciborska, Racibórz County, Silesian Voivodeship, Poland
Near Solarnia, close to Kuźnia Raciborska, the Silesian Canal was planned to separate from the proposed Oder–Danube waterway. From this point, the canal would turn east and enter the Ruda valley.
Rudy, Racibórz County, Silesian Voivodeship, Poland
A natural corridor for an artificial canal. The canal would follow the Ruda River valley eastwards towards Rybnik. It was planned as a separate artificial waterway running outside the existing river bed. This was important because the project was designed to avoid major changes to the natural hydromorphology of the Ruda.
Rybnik, Silesian Voivodeship, Poland
The canal would follow the Ruda valley as far as Rybnik. At approximately kilometre 52 of the route it would leave the valley and begin climbing towards the watershed separating the Oder and Vistula river basins. Rybnik was intended to be a very important transshipment hub—specifically, a coal port.
Żory, Silesian Voivodeship, Poland
Żory would have been major industrial and transport point. About four kilometres from Żory, the canal would cross the first-order watershed between the Oder and Vistula drainage basins. This made the Żory area one of the most important topographical points on the entire route.
Zgoń, Orzesze, Mikołów County, Silesian Voivodeship, Poland
This was one of the most technically interesting parts of the project. The area between Żory and Zgoń, formed the canal’s summit level — the highest section of the waterway, crossing the watershed between the Oder and Vistula drainage basins. Ships arriving from either direction would therefore have to be raised towards this section by a sequence of locks and then lowered again on the opposite side.
Paprocany, Tychy, Metropolis GZM, Silesian Voivodeship, Poland
After crossing the watershed, the canal would descend towards the Vistula basin and pass through the area between Paprocany and Tychy, broadly following the Gostynka valley. Tychy was another very important point on this route because it was intended to become transshipment centres on the canal, with plans for both a large coal port and a general cargo port.
Bieruń Nowy, Bieruń, Bieruń-Lędziny County, Silesian Voivodeship, Poland
The eastern part of the canal would pass the Bieruń area before entering the Vistula valley. Bieruń Nowy was planned as the site of one of the final locks before the canal reached the Upper Vistula near Oświęcim. From there, vessels could enter the existing Upper Vistula waterway towards Kraków.
