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How long does ice usually remain on the Vistula River?
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Vistula River
The Elbe, Oder, and Vistula river basins and their drainage network.
Ice typically forms on the surface of the Vistula River during the first half of January and begins to break up toward the end of February.1
The duration of the ice cover varies by section:
- Upper and lower reaches: 20 to 40 days1
- Middle reach: 40 to 60 days1
- Estuary section: Up to 20 days1
During the spring, the breakup of this ice cover can lead to the formation of dangerous ice dams, which may cause flooding and damage to infrastructure along the riverbanks.2